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Computer Organization and Architecture, 10th Edition, by William Stallings
© 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
Computer Organization and Architecture 10th
Edition Stallings Test Bank
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CHAPTER 2: PERFORMANCE ISSUES
TRUE OR FALSE
T F 1. Year by year the cost of computer systems continues to rise.
T F 2. Processors are so inexpensive that we now have microprocessors
we throw away.
T F 3. Workstation systems cannot support highly sophisticated
engineering and scientific applications.
T F 4. The IAS is the prototype of all subsequent general-purpose
computers.
T F 5. Cloud service providers use massive high-performance banks of
servers to satisfy high-volume, high-transaction-rate applications
for a broad spectrum of clients.
T F 6. The raw speed of the microprocessor will not achieve its potential
unless it is fed a constant stream of work to do in the form of
computer instructions.
T F 7. Superscalar execution is the same principle as seen in an assembly
line.
T F 8. Branch prediction potentially increases the amount of work
available for the processor to execute.
T F 9. Raw speed is far more important than how a processor performs
when executing a given application.
T F 10. The cache holds recently accessed data.
Computer Organization and Architecture, 10th Edition, by William Stallings
© 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
T F 11. Operations performed by a processor, such as fetching an
instruction, decoding the instruction, performing an arithmetic
operation, and so on, are governed by a system clock.
T F 12. A common measure of performance for a processor is the rate at
which instructions are executed, expressed as millions of
instructions per second (MIPS).
Computer Organization and Architecture, 10th Edition, by William Stallings
© 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
T F 13. Designers wrestle with the challenge of balancing processor
performance with that of main memory and other computer
components.
T F 14. A straight comparison of clock speeds on different processors
tells the whole story about performance.
T F 15. Measures such as MIPS and MFLOPS have proven adequate to
evaluating the performance of processors.
MULTIPLE CHOICE
1. Multiple parallel pipelines are used in .
A. speculative execution B. data flow analysis
C. superscalar execution D. branch prediction
2. The desktop application(s) that require the great power of today’s
microprocessor-based systems include _.
A. image processing B. speech recognition
C. videoconferencing D. all of the above
3. potentially increases the amount of work available for the
processor to execute.
A. Branch prediction B. Performance balance
C. Pipelining D. BIPS
4. The interface between processor and _ is the most crucial pathway
in the entire computer because it is responsible for carrying a constant flow
of program instructions and data between memory chips and the processor.
A. main memory B. pipeline
C. clock speed D. control unit
Computer Organization and Architecture, 10th Edition, by William Stallings
© 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
5. The is a relatively small fast memory interposed between a larger,
slower memory and the logic that accesses the larger memory.
A. peripheral B. cache
C. processor D. arithmetic and logic unit
6. An increase in clock rate means that individual operations are executed _.
A. the same B. slower
C. with very little change D. more rapidly
7. A is a core designed to perform parallel operations on graphics data.
A. MIC B. ALU
C. GPU D. PGD
8. A(n) Mean is a good candidate for comparing the execution time
performance of several systems.
A. Composite B. Arithmetic
C. Harmonic D. Evaluation
9. law deals with the potential speedup of a program using multiple
processors compared to a single processor.
A. Moore’s B. Amdahl’s
C. Little’s D. Murphy’s
10. One increment, or pulse, of a clock is referred to as a .
A. clock cycle B. clock rate
C. clock speed D. cycle time
Computer Organization and Architecture, 10th Edition, by William Stallings
© 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
11. The use of multiple processors on the same chip is referred to as
and provides the potential to increase performance without increasing the
clock rate.
A. multicore B. GPU
C. data channels D. MPC
12. With respect to changes in values, the Mean gives equal weight to all
of the values in the data set.
A. Harmonic B. Arithmetic
C. Composite D. Geometric
13. The measures the ability of a computer to complete a single task.
A. clock speed B. speed metric
C. execute cycle D. cycle time
14. A measurement of how many tasks a computer can accomplish in a certain
amount of time is called a(n) .
A. real-time system B. application analysis
C. cycle speed D. throughput
15. The best known of the SPEC benchmark suites is .
A. SPEC CPU2006 B. SPECjvm2008
C. SPECsfs2008 D. SPEC SC2013
SHORT ANSWER
1. enables a processor to work simultaneously on multiple
instructions by performing a different phase for each of the multiple
instructions at the same time.
Computer Organization and Architecture, 10th Edition, by William Stallings
© 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
2. is the ability to issue more than one instruction in every processor
clock cycle.
3. With the processor looks ahead in the instruction code fetched from
memory and predicts which branches, or groups of instructions, are likely to
be processed next.
4. enables the processor to keep its execution engines as busy as
possible by executing instructions that are likely to be needed.
5. Traditionally found on a plug-in graphics card, a is used to encode
and render 2D and 3D graphics as well as process video.
6. Law applies to a queuing system.
7. The three common formulas used for calculating a mean are arithmetic,
harmonic, and .
8. The Mean used for a time-based variable, such as program
execution time, has the important property that it is directly proportional to
the total time.
9. The Mean is preferred when calculating rates.
10. The Mean gives consistent results regardless of which system is
used as a reference.
11. metric are required for all reported results and have strict
guidelines for compilation.
12. A suite is a collection of programs, defined in a high-level language,
that together attempt to provide a representative test of a computer in a
particular application or system programming area.
13. At the most fundamental level, the speed of a processor is dictated by the
pulse frequency produced by the clock, measured in cycles per second, or
.
14. The best-known collection of benchmark suites is defined and maintained
by an industry consortium known as _.
15. law deals with the potential speedup of a program using multiple
processors compared to a single processor.
Computer Organization and Architecture, 10th Edition, by William Stallings
© 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
CHAPTER 2: PERFORMANCE ISSUES
TRUE OR FALSE
1. F
2. T
3. F
4. T
5. T
6. T
7. F
8. T
9. F
10. T
11. T
12. T
13. T
14. F
15. F
MULTIPLE CHOICE
1. C
2. D
3. A
4. A
5. B
6. D
7. C
8. B
9. B
10. A
11. A
12. D
13. B
14. D
15. A
Computer Organization and Architecture, 10th Edition, by William Stallings
© 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved.
SHORT ANSWER
1. Pipelining
2. Superscalar execution
3. branch prediction
4. Speculative execution
5. GPU (graphics processing units)
6. Little’s
7. geometric
8. Arithmetic
9. Harmonic
10. Geometric
11. Base
12. benchmark
13. Hertz (Hz)
14. System Performance Evaluation Corporation (SPEC)
15. Amdahl’s
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have been measured by the degree to which he could appropriate
Grecian force to himself, and withhold it from his enemy.
Alexander’s memorable and illustrious manifestations, on which
we are now entering, are those, not of the ruler or politician, but of
the general and the soldier. In this character his appearance forms a
sort of historical epoch. It is not merely in soldier-like qualities—in
the most forward and even adventurous bravery—in indefatigable
personal activity, and in endurance as to hardship and fatigue,—that
he stands pre-eminent; though these qualities alone, when found in
a king, act so powerfully on those under his command, that they
suffice to produce great achievements, even when combined with
generalship not surpassing the average of his age. But in
generalship, Alexander was yet more above the level of his
contemporaries. His strategic combinations, his employment of
different descriptions of force conspiring towards one end, his long-
sighted plans for the prosecution of campaigns, his constant
foresight and resource against new difficulties, together with rapidity
of movement even in the worst country—all on a scale of prodigious
magnitude—are without parallel in ancient history. They carry the art
of systematic and scientific welfare to a degree of efficiency, such as
even successors trained in his school were unable to keep up
unimpaired.
We must recollect however that Alexander found the Macedonian
military system built up by Philip, and had only to apply and enlarge
it. As transmitted to him, it embodied the accumulated result and
matured fruit of a series of successive improvements, applied by
Grecian tacticians to the primitive Hellenic arrangements. During the
sixty years before the accession of Alexander, the art of war had
been conspicuously progressive—to the sad detriment of Grecian
political freedom. “Everything around us (says Demosthenes
addressing the people of Athens in 342 B. C.), has been in advance
for some years past—nothing is like what it was formerly—but
nowhere is the alteration and enlargement more conspicuous than in
the affairs of war. Formerly, the Lacedæmonians as well as other
Greeks did nothing more than invade each other’s territory, during
the four or five summer months, with their native force of citizen
hoplites: in winter they stayed at home. But now we see Philip in
constant action, winter as well as summer, attacking all around him,
not merely with Macedonian hoplites, but with cavalry, light infantry,
bowmen, foreigners of all descriptions, and siege-batteries.”[115]
I have in my last two volumes dwelt upon this progressive
change in the character of Grecian soldiership. At Athens, and in
most other parts of Greece, the burghers had become averse to hard
and active military service. The use of arms had passed mainly to
professional soldiers, who, without any feeling of citizenship, served
wherever good pay was offered, and became immensely multiplied,
to the detriment and danger of Grecian society.[116] Many of these
mercenaries were lightly armed—peltasts served in combination with
the hoplites.[117] Iphikrates greatly improved and partly re-armed the
peltasts; whom he employed conjointly with hoplites so effectively as
to astonish his contemporaries.[118] His innovation was farther
developed by the great military genius of Epaminondas; who not
only made infantry and cavalry, light-armed and heavy-armed,
conspire to one scheme of operations, but also completely altered
the received principles of battle-manœuvring, by concentrating an
irresistible force of attack on one point of the enemy’s line, and
keeping the rest of his own line more on the defensive. Besides
these important improvements, realized by generals in actual
practice, intelligent officers like Xenophon embodied the results of
their military experience in valuable published criticisms.[119] Such
were the lessons which the Macedonian Philip learnt and applied to
the enslavement of those Greeks, especially of the Thebans, from
whom they were derived. In his youth, as a hostage at Thebes, he
had probably conversed with Epaminondas, and must certainly have
become familiar with the Theban military arrangements. He had
every motive, not merely from ambition, of conquest, but even from
the necessities of defence, to turn them to account: and he brought
to the task military genius and aptitude of the highest order. In
arms, in evolutions, in engines, in regimenting, in war-office
arrangements, he introduced important novelties; bequeathing to his
successors the Macedonian military system, which, with
improvements by his son, lasted until the conquest of the country by
Rome, near two centuries afterwards.
The military force of Macedonia, in the times anterior to Philip,
appears to have consisted, like that of Thessaly, in a well-armed and
well-mounted cavalry, formed from the substantial proprietors of the
country—and in a numerous assemblage of peltasts or light infantry
(somewhat analogous to the Thessalian Penestæ): these latter were
the rural population, shepherds or cultivators, who tended sheep
and cattle, or tilled the earth, among the spacious mountains and
valleys of Upper Macedonia. The Grecian towns near the coast, and
the few Macedonian towns in the interior, had citizen-hoplites better
armed; but foot-service was not in honor among the natives, and
the Macedonian infantry in their general character were hardly more
than a rabble. At the period of Philip’s accession, they were armed
with nothing better than rusty swords and wicker shields, noway
sufficient to make head against the inroads of their Thracian and
Illyrian neighbors; before whom they were constantly compelled to
flee for refuge up into the mountains.[120] Their condition was that
of a poor herdsman, half-naked or covered only with hides, and
eating from wooden platters: not much different from that of the
population of Upper Macedonia three centuries before, when first
visited by Perdikkas the ancestor of the Macedonian kings, and when
the wife of the native prince baked bread with her own hands.[121]
On the other hand, though the Macedonian infantry was thus
indifferent, the cavalry of the country was excellent, both in the
Peloponnesian war, and in the war carried on by Sparta against
Olynthus more than twenty years afterwards.[122] These horsemen,
like the Thessalians, charged in compact order, carrying as their
principal weapon of offence, not javelins to be hurled, but the short
thrusting-pike for close combat.
Thus defective was the military organization which Philip found.
Under his auspices it was cast altogether anew. The poor and hardy
Landwehr of Macedonia, constantly on the defensive against
predatory neighbors, formed an excellent material for soldiers, and
proved not intractable to the innovations of a warlike prince. They
were placed under constant training in the regular rank and file of
heavy infantry: they were moreover brought to adopt a new
description of arm, not only in itself very difficult to manage, but
also comparatively useless to the soldier when fighting single-
handed, and only available by a body of men in close order, trained
to move or stand together. The new weapon, of which we first hear
the name in the army of Philip, was the sarissa—the Macedonian
pike or lance. The sarissa was used both by the infantry of his
phalanx, and by particular regiments of his cavalry; in both cases it
was long, though that of the phalanx was much the longer of the
two. The regiments of cavalry called Sarissophori or Lancers were a
sort of light-horse, carrying a long lance, and distinguished from the
heavier cavalry intended for the shock of hand combat, who carried
the xyston or short pike. The sarissa of this cavalry may have been
fourteen feet in length, as long as the Cossack pike now is; that of
the infantry in phalanx was not less than twenty-one feet long. This
dimension is so prodigious and so unwieldy, that we should hardly
believe it, if it did not come attested by the distinct assertion of an
historian like Polybius.
The extraordinary reach of the sarissa or pike constituted the
prominent attribute and force of the Macedonian phalanx. The
phalangites were drawn up in files generally sixteen deep, each
called a Lochus; with an interval of three feet between each two
soldiers from front to rear. In front stood the lochage, a man of
superior strength, and of tried military experience. The second and
third men in the file, as well as the rearmost man who brought up
the whole, were also picked soldiers, receiving larger pay than the
rest. Now the sarissa, when in horizontal position, was held with
both hands (distinguished in this respect from the pike of the
Grecian hoplite, which occupied only one hand, the other being
required for the shield), and so held that it projected fifteen feet
before the body of the pikeman; while the hinder portion of six feet
so weighted as to make the pressure convenient in such division.
Hence, the sarissa of the man standing second in the file, projected
twelve feet beyond the front rank; that of the third man, nine feet;
these of the fourth and fifth ranks, respectively six feet and three
feet. There was thus presented a quintuple series of pikes by each
file, to meet an advancing enemy. Of these five, the three first would
be decidedly of greater projection, and even the fourth of not less
projection, than the pikes of Grecian hoplites coming up as enemies
to the charge. The ranks behind the fifth, while serving to sustain
and press onward the front, did not carry the sarissa in a horizontal
position, but slanted it over the shoulders of those before them, so
as to break the force of any darts or arrows which might be shot
over head from the rear ranks of the enemy.[123]
The phalangite (soldier of the phalanx) was farther provided with
a short sword, a circular shield of rather more than two feet in
diameter, a breast-piece, leggings, and a kausia or broad-brimmed-
hat—the head-covering common in the Macedonian army. But the
long pikes were in truth the main weapons of defence as well as of
offence. They were destined to contend against the charge of
Grecian hoplites with the one-handed pike and heavy shield;
especially against the most formidable manifestation of that force,
the deep Theban column organized by Epaminondas. This was what
Philip had to deal with, at his accession, as the irresistible infantry of
Greece, bearing down everything before it by thrust of pike and
propulsion of shield. He provided the means of vanquishing it, by
training his poor Macedonian infantry to the systematic use of the
long two-handed pike. The Theban column, charging a phalanx so
armed, found themselves unable to break into the array of
protended pikes, or to come to push of shield. We are told that at
the battle of Chæroneia, the front rank Theban soldiers, the chosen
men of the city, all perished on the ground; and this is not
wonderful, when we conceive them as rushing, by their own courage
as well as by the pressure upon them from behind, upon a wall of
Pikes double the length of their own. We must look at Philip’s
phalanx with reference to the enemies before him, not with
reference to the later Roman organization, which Polybius brings into
comparison. It answered perfectly the purposes of Philip, who
wanted mainly to stand the shock in front, thus overpowering
Grecian hoplites in their own mode of attack. Now Polybius informs
us, that the phalanx was never once beaten, in front and on ground
suitable for it; and wherever the ground was fit for hoplites, it was
also fit for the phalanx. The inconveniences of Philip’s array, and of
the long pikes, arose from the incapacity of the phalanx to change
its front or keep its order on unequal ground; but such
inconveniences were hardly less felt by Grecian hoplites.[124]
The Macedonian phalanx, denominated the Pezetæri[125] or Foot
Companions of the King, comprised the general body of native
infantry, as distinguished from special corps d’armée. The largest
division of it which we find mentioned under Alexander, and which
appears under the command of a general of division, is called a
Taxis. How many of these Taxeis there were in all, we do not know;
the original Asiatic army of Alexander (apart from what he left at
home) included six of them, coinciding apparently with the provincial
allotments of the country: Orestæ, Lynkestæ, Elimiotæ, Tymphæi,
etc.[126] The writers on tactics give us a systematic scale of
distribution (ascending from the lowest unit, the Lochus of sixteen
men, by successive multiples of two, up to the quadruple phalanx of
16,384 men) as pervading the Macedonian army. Among these
divisions, that which stands out as most fundamental and constant,
is the Syntagma, which contained sixteen Lochi. Forming thus a
square of sixteen men in front and depth, or 256 men, it was at the
same time a distinct aggregate or permanent battalion, having
attached to it five supernumeraries, an ensign, a rear-man, a
trumpeter, a herald, and an attendant or orderly.[127] Two of these
Syntagmas composed a body of 512 men, called a Pentakosiarchy,
which in Philip’s time is said to have been the ordinary regiment,
acting together under a separate command; but several of these
were doubled by Alexander when he reorganized his army at Susa,
[128] so as to form regiments of 1024 men, each under its Chiliarch,
and each comprising four Syntagmas. All this systematic distribution
of the Macedonian military force when at home, appears to have
been arranged by the genius of Philip. On actual foreign service, no
numerical precision could be observed; a regiment or a division
could not always contain the same fixed number of men. But as to
the array, a depth of sixteen, for the files of the phalangites, appears
to have been regarded as important and characteristic,[129] perhaps
essential to impart a feeling of confidence to the troops. It was a
depth much greater than was common with Grecian hoplites, and
never surpassed by any Greeks except the Thebans.
But the phalanx, though an essential item, was yet only one
among many, in the varied military organization introduced by Philip.
It was neither intended, nor fit, to act alone; being clumsy in
changing front to protect itself either in flank or rear, and unable to
adapt itself to uneven ground. There was another description of
infantry organized by Philip called the Hypaspists—shield-bearers or
Guards;[130] originally few in number, and employed for personal
defence of the prince—but afterwards enlarged into several distinct
corps d’armée. These Hypaspists or Guards were light infantry of the
line;[131] they were hoplites, keeping regular array and intended for
close combat, but more lightly armed, and more fit for diversities of
circumstance and position, than the phalanx. They seem to have
fought with the one-handed pike and shield, like the Greeks; and not
to have carried the two-handed phalangite pike or sarissa. They
occupied a sort of intermediate place between the heavy infantry of
the phalanx properly so called—and the peltasts and light troops
generally. Alexander in his later campaigns had them distributed into
Chiliarchies (how the distribution stood earlier, we have no distinct
information), at least three in number, and probably more.[132] We
find them employed by him in forward and aggressive movements;
first his light troops and cavalry begin the attack; next, the
hypaspists come to follow it up; lastly, the phalanx is brought up to
support them. The hypaspists are used also for assault of walled
places, and for rapid night marches.[133] What was the total number
of them, we do not know.[134]
Besides the phalanx, and the hypaspists or Guards, the
Macedonian army as employed by Philip and Alexander included a
numerous assemblage of desultory or irregular troops, partly native
Macedonians, partly foreigners, Thracians, Pæonians, etc. They were
of different descriptions; peltasts, darters, and bowmen. The best of
them appear to have been the Agriânes, a Pæonian tribe expert in
the use of the javelin. All of them were kept in vigorous movement
by Alexander, on the flanks and in front of his heavy infantry, or
intermingled with his cavalry,—as well as for pursuit after the enemy
was defeated.
Lastly, the cavalry in Alexander’s army was also admirable—at
least equal, and seemingly even superior in efficiency, to his best
infantry.[135] I have already mentioned that cavalry was the choice
native force of Macedonia, long before the reign of Philip; by whom
it had been extended and improved.[136] The heavy cavalry, wholly
or chiefly composed of native Macedonians, was known by the
denomination of the Companions. There was besides a new and
lighter variety of cavalry, apparently introduced by Philip, and called
the Sarissophori, or Lancers, used like Cossacks for advanced posts
or scouring the country. The sarissa which they carried was probably
much shorter than that of the phalanx; but it was long, if compared
with the xyston or thrusting pike used by the heavy cavalry for the
shock of close combat. Arrian, in describing the army of Alexander at
Arbêla, enumerates eight distinct squadrons of this heavy cavalry—
or cavalry of the Companions; but the total number included in the
Macedonian army at Alexander’s accession, is not known. Among the
squadrons, several at least (if not all) were named after particular
towns or districts of the country—Bottiæa, Amphipolis, Apollonia,
Anthemus, etc.;[137] there was one or more, distinguished as the
Royal Squadron—the Agêma or leading body of cavalry—at the head
of which Alexander generally charged, himself among the foremost
of the actual combatants.[138]
The distribution of the cavalry into squadrons was that which
Alexander found at his accession; but he altered it, when he
remodelled the arrangements of his army (in 330 B. C.), at Susa, so
as to subdivide the squadron into two Lochi, and to establish the
Lochus for the elementary division of cavalry, as it had always been
of infantry.[139] His reforms went thus to cut down the primary body
of cavalry from the squadron to the half-squadron or Lochus, while
they tended to bring the infantry together into larger bodies—from
cohorts of 500 each to cohorts of 1000 men each.
Among the Hypaspists or Guards, also, we find an Agêma or
chosen cohort, which was called upon oftener than the rest to begin
the fight. A still more select corps were, the Body-Guards; a small
company of tried and confidential men, individually known to
Alexander, always attached to his person, and acting as adjutants or
as commanders for special service. These Body-Guards appear to
have been chosen persons promoted out of the Royal Youths or
Pages; an institution first established by Philip, and evincing the
pains taken by him to bring the leading Macedonians into military
organization as well as into dependence on his own person. The
Royal Youths, sons of the chief persons throughout Macedonia, were
taken by Philip into service, and kept in permanent residence around
him for purposes of domestic attendance and companionship. They
maintained perpetual guard of his palace, alternating among
themselves the hours of daily and nightly watch; they received his
horse from the grooms, assisted him to mount, and accompanied
him if he went to the chase: they introduced persons who came to
solicit interviews, and admitted his mistresses by night through a
special door. They enjoyed the privilege of sitting down to dinner
with him, as well as that of never being flogged except by his special
order.[140] The precise number of the company we do not know; but
it must have been not small, since fifty of these youths were brought
out from Macedonia at once by Amyntas to join Alexander and to be
added to the company at Babylon.[141] At the same time the
mortality among them was probably considerable; since, in
accompanying Alexander, they endured even more than the
prodigious fatigues which he imposed upon himself.[142] The training
in this corps was a preparation first for becoming Body-guards of
Alexander,—next, for appointment to the great and important
military commands. Accordingly, it had been the first stage of
advancement to most of the Diadochi, or great officers of Alexander,
who after his death carved kingdoms for themselves out of his
conquests.
It was thus that the native Macedonian force was enlarged and
diversified by Philip, including at his death—1. The phalanx, Foot-
companions, or general mass of heavy infantry, drilled to the use of
the long two-handed pike or sarissa—2. The Hypaspists, or lighter-
armed corps of foot-guards—3. The Companions, or heavy cavalry,
the ancient indigenous force consisting of the more opulent or
substantial Macedonians—4. The lighter cavalry, lancers, or
Sarissophori.—With these were joined foreign auxiliaries of great
value. The Thessalians, whom Philip had partly subjugated and
partly gained over, furnished him with a body of heavy cavalry not
inferior to the native Macedonian. From various parts of Greece he
derived hoplites, volunteers taken into his pay, armed with the full-
sized shield and one-handed pike. From the warlike tribes of
Thracians, Pæonians, Illyrians, etc., whom he had subdued around
him, he levied contingents of light troops of various descriptions,
peltasts, bowmen, darters, etc., all excellent in their way, and
eminently serviceable to his combinations, in conjunction with the
heavier masses. Lastly, Philip had completed his military
arrangements by organizing what may be called an effective siege-
train for sieges as well as for battles; a stock of projectile and
battering machines, superior to anything at that time extant. We find
this artillery used by Alexander in the very first year of his reign, in
his campaign against the Illyrians.[143] Even in his most distant
Indian marches, he either carried it with him, or had the means of
constructing new engines for the occasion. There was no part of his
military equipment more essential to his conquests. The victorious
sieges of Alexander are among his most memorable exploits.
To all this large, multifarious, and systematized array of actual
force, are to be added the civil establishments, the depôts,
magazines of arms, provision for remounts, drill officers and
adjutants, etc., indispensable for maintaining it in constant training
and efficiency. At the time of Philip’s accession, Pella was an
unimportant place;[144] at his death, it was not only strong as a
fortification and place of deposit for regal treasure, but also the
permanent centre, war-office, and training quarters, of the greatest
military force then known. The military registers as well as the
traditions of Macedonian discipline were preserved there until the fall
of the monarchy.[145] Philip had employed his life in organizing this
powerful instrument of dominion. His revenues, large as they were,
both from mines and from tributary conquests, had been exhausted
in the work, so that he had left at his decease a debt of 500 talents.
But his son Alexander found the instrument ready made, with
excellent officers, and trained veterans for the front ranks of his
phalanx.[146]
This scientific organization of military force, on a large scale and
with all the varieties of arming and equipment made to co-operate
for one end, is the great fact of Macedonian history. Nothing of the
same kind and magnitude had ever before been seen. The
Macedonians, like Epirots and Ætolians, had no other aptitude or
marking quality except those of soldiership. Their rude and scattered
tribes manifest no definite political institutions and little sentiment of
national brotherhood; their union was mainly that of occasional
fellowship in arms under the king as chief. Philip the son of Amyntas
was the first to organize this military union into a system
permanently and efficaciously operative, achieving by means of it
conquests such as to create in the Macedonians a common pride of
superiority in arms, which served as substitute for political
institutions or nationality. Such pride was still farther exalted by the
really superhuman career of Alexander. The Macedonian kingdom
was nothing but a well-combined military machine, illustrating the
irresistible superiority of the rudest men, trained in arms and
conducted by an able general, not merely over undisciplined
multitudes, but also over free, courageous, and disciplined,
citizenship with highly gifted intelligence.
During the winter of 335-334 B. C., after the destruction of
Thebes and the return of Alexander from Greece to Pella, his final
preparations were made for the Asiatic expedition. The Macedonian
army with the auxiliary contingents destined for this enterprise were
brought together early in the spring. Antipater, one of the oldest and
ablest officers of Philip, was appointed to act as viceroy of
Macedonia during the king’s absence. A military force, stated at
12,000 infantry and 1500 cavalry,[147] was left with him to keep
down the cities of Greece, to resist aggressions from the Persian
fleet, and to repress discontents at home. Such discontents were
likely to be instigated by leading Macedonians or pretenders to the
throne, especially as Alexander had no direct heir: and we are told
that Antipater and Parmenio advised postponement of the expedition
until the young king could leave behind him an heir of his own
lineage.[148] Alexander overruled these representations; yet he did
not disdain to lessen the perils at home by putting to death such
men as he principally feared or mistrusted, especially the kinsmen of
Philip’s last wife Kleopatra.[149] Of the dependent tribes around, the
most energetic chiefs accompanied his army into Asia, either by their
own preference or at his requisition. After these precautions, the
tranquillity of Macedonia was entrusted to the prudence and fidelity
of Antipater, which were still farther ensured by the fact that three of
his sons accompanied the king’s army and person.[150] Though
unpopular in his deportment,[151] Antipater discharged the duties of
his very responsible position with zeal and ability; notwithstanding
the dangerous enmity of Olympias, against whom he sent many
complaints to Alexander when in Asia, whilst she on her side wrote
frequent but unavailing letters with a view to ruin him in the esteem
of her son. After a long period of unabated confidence, Alexander
began during the last years of his life to dislike and mistrust
Antipater. He always treated Olympias with the greatest respect;
trying however to restrain her from meddling with political affairs,
and complaining sometimes of her imperious exigencies and
violence.[152]
The army intended for Asia, having been assembled at Pella, was
conducted by Alexander himself first to Amphipolis, where it crossed
the Strymon; next along the road near the coast to the river Nestus
and to the towns of Abdêra and Maroneia; then through Thrace
across the rivers Hebrus and Melas; lastly, through the Thracian
Chersonese to Sestos. Here it was met by his fleet, consisting of 160
triremes, with a number of trading vessels besides;[153] made up in
large proportions from contingents furnished by Athens and Grecian
cities.[154] The passage of the whole army, infantry, cavalry, and
machines, on ships, across the strait from Sestos in Europe to
Abydos in Asia,—was superintended by Parmenio, and accomplished
without either difficulty or resistance. But Alexander himself,
separating from the army at Sestos, went down to Elæus at the
southern extremity of the Chersonese. Here stood the chapel and
sacred precinct of the hero Protesilaus, who was slain by Hektor;
having been the first Greek (according to the legend of the Trojan
war) who touched the shore of Troy. Alexander, whose imagination
was then full of Homeric reminiscences, offered sacrifice to the hero,
praying that his own disembarkation might terminate more
auspiciously.
He then sailed across in the admiral’s trireme, steering with his
own hand, to the landing place near Ilium called the Harbor of the
Achæans. At mid-channel of the strait, he sacrificed a bull, with
libations out of a golden goblet, to Poseidon and the Nereids.
Himself too in full armor, he was the first (like Protesilaus) to tread
the Asiatic shore; but he found no enemy like Hektor to meet him.
From hence, mounting the hill on which Ilium was placed, he
sacrificed to the patron-goddess Athênê; and deposited in her
temple his own panoply, taking in exchange some of the arms said
to have been worn by the heroes in the Trojan war, which he caused
to be carried by guards along with him in his subsequent battles.
Among other real or supposed monuments of this interesting legend,
the Ilians showed to him the residence of Priam with its altar of Zeus
Herkeios, where that unhappy old king was alleged to have been
slain by Neoptolemus. Numbering Neoptolemus among his
ancestors, Alexander felt himself to be the object of Priam’s yet
unappeased wrath; and accordingly offered sacrifice to him at the
same altar, for the purpose of expiation and reconciliation. On the
tomb and monumental column of Achilles, father of Neoptolemus, he
not only placed a decorative garland, but also went through the
customary ceremony of anointing himself with oil and running naked
round it: exclaiming how much he envied the lot of Achilles, who
had been blest during life with a faithful friend, and after death, with
a great poet to celebrate his exploits. Lastly, to commemorate his
crossing, Alexander erected permanent altars, in honor of Zeus,
Athênê, and Hêraklês; both on the point of Europe which his army
had quitted, and on that of Asia where it had landed.[155]
The proceedings of Alexander, on the ever-memorable site of
Ilium, are interesting as they reveal one side of his imposing
character—the vein of legendary sympathy and religious sentiment
wherein alone consisted his analogy with the Greeks. The young
Macedonian prince had nothing of that sense of correlative right and
obligation, which characterized the free Greeks of the city-
community. But he was in many points a reproduction of the heroic
Greeks,[156] his warlike ancestors in legend, Achilles and
Neoptolemus, and others of that Æakid race, unparalleled in the
attributes of force—a man of violent impulse in all directions,
sometimes generous, often vindictive—ardent in his individual
affections both of love and hatred, but devoured especially by an
inextinguishable pugnacity, appetite for conquest, and thirst for
establishing at all cost his superiority of force over others—“Jura
negat sibi nata, nihil non arrogat armis”—taking pride, not simply in
victorious generalship and direction of the arms of soldiers, but also
in the personal forwardness of an Homeric chief, the foremost to
encounter both danger and hardship. To dispositions resembling
those of Achilles, Alexander indeed added one attribute of a far
higher order. As a general, he surpassed his age in provident and
even long-sighted combinations. With all his exuberant courage and
sanguine temper, nothing was ever omitted in the way of systematic
military precaution. Thus much be borrowed, though with many
improvements of his own, from Grecian intelligence as applied to
soldiership. But the character and dispositions, which he took with
him to Asia, had the features, both striking and repulsive, of Achilles,
rather than those of Agesilaus or Epaminondas.
The army, when reviewed on the Asiatic shore after its crossing,
presented a total of 30,000 infantry, and 4500 cavalry, thus
distributed:—
Infantry.
Macedonian phalanx and hypaspists 12,000
Allies 7,000
Mercenaries 5,000
Under the command of Parmenio 24,000
Odryssians, Triballi (both Thracians), and Illyrians 5,000
Agriânes and archers 1,000
Total Infantry 30,000
Cavalry.
Macedonian heavy—under Philotas son of Parmenio 1,500
Thessalian (also heavy)—under Kallas 1,500
Miscellaneous Grecian—under Erigyius 600
Thracian and Pæonian (light)—under Kassander 900
Total Cavalry 4,500
Such seems the most trustworthy enumeration of Alexander’s
first invading army. There were however other accounts, the highest
of which stated as much as 43,000 infantry with 4000 cavalry.[157]
Besides these troops, also, there must have been an effective train
of projectile machines and engines, for battles and sieges, which we
shall soon find in operation. As to money, the military chest of
Alexander, exhausted in part by profuse donatives to his Macedonian
officers,[158] was as poorly furnished as that of Napoleon Buonaparte
on first entering Italy for his brilliant campaign of 1796. According to
Aristobulus, he had with him only seventy talents; according to
another authority, no more than the means of maintaining his army
for thirty days. Nor had he even been able to bring together his
auxiliaries, or complete the outfit of his army, without incurring a
debt of 800 talents, in addition to that of 500 talents contracted by
his father Philip.[159] Though Plutarch[160] wonders at the smallness
of the force with which Alexander contemplated the execution of
such great projects, yet the fact is, that in infantry he was far above
any force which the Persians had to oppose him;[161] not to speak of
comparative discipline and organization, surpassing even that of the
Grecian mercenaries, who formed the only good infantry in the
Persian service; while his cavalry, though inferior as to number, was
superior in quality and in the shock of close combat.
Most of the officers exercising important command in Alexander’s
army were native Macedonians. His intimate personal friend
Hephæstion, as well as his body-guards Leonnatus and Lysimachus,
were natives of Pella: Ptolemy the son of Lagus, and Pithon, were
Eordians from Upper Macedonia; Kraterus and Perdikkas, from the
district of Upper Macedonia called Orestis;[162] Antipater with his son
Kassander, Kleitus son of Drôpides, Parmenio with his two sons
Philôtas and Nikanor, Seleukus, Kœnus, Amyntas, Philippus (these
two last names were borne by more than one person), Antigonus,
Neoptolemus,[163] Meleager, Peukestes, etc., all these seem to have
been native Macedonians. All or most of them had been trained to
war under Philip, in whose service Parmenio and Antipater,
especially, had occupied a high rank.
Of the many Greeks in Alexander’s service, we hear of few in
important station. Medius, a Thessalian from Larissa, was among his
familiar companions; but the ablest and most distinguished of all
was Eumenes, a native of Kardia in the Thracian Chersonese.
Eumenes, combining an excellent Grecian education with bodily
activity and enterprise, had attracted when a young man the notice
of Philip and had been appointed as his secretary. After discharging
these duties for seven years until the death of Philip, he was
continued by Alexander in the post of chief secretary during the
whole of that king’s life.[164] He conducted most of Alexander’s
correspondence, and the daily record of his proceedings, which was
kept under the name of the Royal Ephemerides. But though his
special duties were thus of a civil character, he was not less eminent
as an officer in the field. Occasionally entrusted with high military
command, he received from Alexander signal recompenses and
tokens of esteem. In spite of these great qualities—or perhaps in
consequence of them—he was the object of marked jealousy and
dislike[165] on the part of the Macedonians,—from Hephæstion the
friend, and Neoptolemus the chief armor-bearer, of Alexander, down
to the principal soldiers of the phalanx. Neoptolemus despised
Eumenes as an unwarlike penman. The contemptuous pride with
which Macedonians had now come to look down on Greeks, is a
notable characteristic of the victorious army of Alexander, as well as
a new feature in history; retorting the ancient Hellenic sentiment in
which Demosthenes, a few years before, had indulged towards the
Macedonians.[166]
Though Alexander has been allowed to land in Asia unopposed,
an army was already assembled under the Persian satraps within a
few days’ march of Abydos. Since the reconquest of Egypt and
Phenicia, about eight or nine years before, by the Persian king
Ochus, the power of that empire had been restored to a point equal
to any anterior epoch since the repulse of Xerxes from Greece. The
Persian successes in Egypt had been achieved mainly by the arms of
Greek mercenaries, under the conduct and through the craft of the
Rhodian general Mentor; who, being seconded by the preponderant
influence of the eunuch Bagôas, confidential minister of Ochus,
obtained not only ample presents, but also the appointment of
military commander on the Hellespont and the Asiatic seaboard.[167]
He procured the recall of his brother Memnon, who with his brother-
in-law Artabazus had been obliged to leave Asia from unsuccessful
revolt against the Persians, and had found shelter with Philip.[168] He
farther subdued, by force or by fraud, various Greek and Asiatic
chieftains on the Asiatic coast; among them, the distinguished
Hermeias, friend of Aristotle, and master of the strong post of
Atarneus.[169] These successes of Mentor seem to have occurred
about 343 B. C. He, and his brother Memnon after him, upheld
vigorously the authority of the Persian king in the regions near the
Hellespont. It was probably by them that troops were sent across
the strait both to rescue the besieged town of Perinthus from Philip,
and to act against that prince in other parts of Thrace;[170] that an
Asiatic chief, who was intriguing to facilitate Philip’s intended
invasion of Asia, was seized and sent prisoner to the Persian court;
and that envoys from Athens, soliciting aid against Philip, were
forwarded to the same place.[171]
Ochus, though successful in regaining the full extent of Persian
dominion, was a sanguinary tyrant, who shed by wholesale the
blood of his family and courtiers. About the year 338 B. C., he died,
poisoned by the eunuch Bagôas, who placed upon the throne Arses,
one of the king’s sons, killing all the rest. After two years, however,
Bagôas conceived mistrust of Arses, and put him to death also,
together with all his children; thus leaving no direct descendant of
the regal family alive. He then exalted to the throne one of his
friends named Darius Codomannus (descended from one of the
brothers of Artaxerxes Memnon), who had acquired glory, in a recent
war against the Kadusians, by killing in single combat a formidable
champion of the enemy’s army. Presently, however, Bagôas
attempted to poison Darius also; but the latter, detecting the snare,
forced him to drink the deadly draught himself.[172] In spite of such
murders and change in the line of succession, which Alexander
afterwards reproached to Darius[173]—the authority of Darius seems
to have been recognized, without any material opposition,
throughout all the Persian empire.
Succeeding to the throne in the early part of B. C. 336, when
Philip was organizing the projected invasion of Persia, and when the
first Macedonian division under Parmenio and Attalus was already
making war in Asia—Darius prepared measures of defence at home,
and tried to encourage anti-Macedonian movements in Greece.[174]
On the assassination of Philip by Pausanias, the Persian king publicly
proclaimed himself (probably untruly) as having instigated the deed,
and alluded in contemptuous terms to the youthful Alexander.[175]
Conceiving the danger from Macedonia to be past, he imprudently
slackened his efforts and withheld his supplies during the first
months of Alexander’s reign, when the latter might have been
seriously embarrassed in Greece and in Europe by the effective
employment of Persian ships and money. But the recent successes of
Alexander in Thrace, Illyria, and Bœotia, satisfied Darius that the
danger was not past, so that he resumed his preparations for
defence. The Phenician fleet was ordered to be equipped: the
satraps in Phrygia and Lydia got together a considerable force,
consisting in part of Grecian mercenaries; while Memnon, on the
seaboard, was furnished with the means of taking 5000 of these
mercenaries under his separate command.[176]
We cannot trace with any exactness the course of these events,
during the nineteen months between Alexander’s accession and his
landing in Asia (August 336 B. C., to March or April 334 B. C.) We learn
generally that Memnon was active and even aggressive on the
north-eastern coast of the Ægean. Marching northward from his own
territory (the region of Assus or Atarneus skirting the Gulf of
Adramyttium[177]) across the range of Mount Ida, he came suddenly
upon the town of Kyzikus on the Propontis. He failed, however,
though only by a little, in his attempt to surprise it, and was forced
to content himself with a rich booty from the district around.[178] The
Macedonian generals Parmenio and Kallas had crossed into Asia with
bodies of troops. Parmenio, acting in Æolis, took Grynium, but was
compelled by Memnon to raise the siege of Pitanê; while Kallas, in
the Troad, was attacked, defeated, and compelled to retire to
Rhœteium.[179]
We thus see that during the season preceding the landing of
Alexander, the Persians were in considerable force, and Memnon
both active and successful even against the Macedonian generals, on
the region north-east of the Ægean. This may help to explain that
fatal imprudence, whereby the Persians permitted Alexander to carry
over without opposition his grand army into Asia, in the spring of
334 B. C. They possessed ample means of guarding the Hellespont,
had they chosen to bring up their fleet, which, comprising as it did
the force of the Phenician towns, was decidedly superior to any
naval armament at the disposal of Alexander. The Persian fleet
actually came into the Ægean a few weeks afterwards. Now
Alexander’s designs, preparations, and even intended time of march,
must have been well known not merely to Memnon, but to the
Persian satraps in Asia Minor, who had got together troops to oppose
him. These satraps unfortunately supposed themselves to be a
match for him in the field, disregarding the pronounced opinion of
Memnon to the contrary, and even overruling his prudent advice by
mistrustful and calumnious imputations.
At the time of Alexander’s landing, a powerful Persian force was
already assembled near Zeleia in the Hellespontine Phrygia, under
command of Arsites the Phrygian satrap, supported by several other
leading Persians—Spithridates (satrap of Lydia and Ionia),
Pharnakes, Atizyes, Mithridates, Rhomithres, Niphates, Petines, etc.
Forty of these men were of high rank (denominated kinsmen of
Darius), and distinguished for personal valor. The greater number of
the army consisted of cavalry, including Medes, Baktrians,
Hyrkanians, Kappadokians, Paphlagonians, etc.[180] In cavalry they
greatly outnumbered Alexander; but their infantry was much inferior
in number,[181] composed however, in large proportion, of Grecian
mercenaries. The Persian total is given by Arrian as 20,000 cavalry,
and nearly 20,000 mercenary foot; by Diodorus as 10,000 cavalry,
and 100,000 infantry; by Justin even at 600,000. The numbers of
Arrian are the more credible; in those of Diodorus, the total of
infantry is certainly much above the truth—that of cavalry probably
below it.
Memnon, who was present with his sons and with his own
division, earnestly dissuaded the Persian leaders from hazarding a
battle. Reminding them that the Macedonians were not only much
superior in infantry, but also encouraged by the leadership of
Alexander—he enforced the necessity of employing their numerous
cavalry to destroy the forage and provisions, and if necessary, even
towns themselves—in order to render any considerable advance of
the invading force impracticable. While keeping strictly on the
defensive in Asia, he recommended that aggressive war should be
carried into Macedonia; that the fleet should be brought up, a
powerful land-force put aboard, and strenuous efforts made, not
only to attack the vulnerable points of Alexander at home, but also
to encourage active hostility against him from the Greeks and other
neighbors.[182]
Had this plan been energetically executed by Persian arms and
money, we can hardly doubt that Antipater in Macedonia would
speedily have found himself pressed by serious dangers and
embarrassments, and that Alexander would have been forced to
come back and protect his own dominions; perhaps prevented by
the Persian fleet from bringing back his whole army. At any rate, his
schemes of Asiatic invasion must for the time have been suspended.
But he was rescued from this dilemma by the ignorance, pride, and
pecuniary interests of the Persian leaders. Unable to appreciate
Alexander’s military superiority, and conscious at the same time of
their own personal bravery, they repudiated the proposition of
retreat as dishonorable, insinuating that Memnon desired to prolong
the war in order to exalt his own importance in the eyes of Darius.
This sentiment of military dignity was farther strengthened by the
fact, that the Persian military leaders, deriving all their revenues
from the land, would have been impoverished by destroying the
landed produce. Arsites, in whose territory the army stood, and upon
whom the scheme would first take effect, haughtily announced that
he would not permit a single house in it to be burnt.[183] Occupying
the same satrapy as Pharnabazus had possessed sixty years before,
he felt that he would be reduced to the same straits as Pharnabazus
under the pressure of Agesilaus—“of not being able to procure a
dinner in his own country”.[184] The proposition of Memnon was
rejected, and it was resolved to await the arrival of Alexander on the
banks of the river Granikus.
This unimportant stream, commemorated in the Iliad, and
immortalized by its association with the name of Alexander, takes its
rise from one of the heights of Mount Ida near Skêpsis,[185] and
flows northward into the Propontis, which it reaches at a point
somewhat east of the Greek town of Parium. It is of no great depth:
near the point where the Persians encamped, it seems to have been
fordable in many places; but its right bank was somewhat high and
steep, thus offering obstruction to an enemy’s attack. The Persians,
marching forward from Zeleia, took up a position near the eastern
side of the Granikus, where the last declivities of Mount Ida descend
into the plain of Adrasteia, a Greek city situated between Priapus
and Parium.[186]
Meanwhile Alexander marched onward towards this position,
from Arisbê (where he had reviewed his army)—on the first day to
Perkôtê, on the second to the river Praktius, on the third to
Hermôtus; receiving on his way the spontaneous surrender of the
town of Priapus. Aware that the enemy was not far distant, he threw
out in advance a body of scouts under Amyntas, consisting of four
squadrons of light cavalry and one of the heavy Macedonian
(Companion) cavalry. From Hermôtus (the fourth day from Arisbê)
he marched direct towards the Granikus, in careful order, with his
main phalanx in double files, his cavalry on each wing, and the
baggage in the rear. On approaching the river, he made his
dispositions for immediate attack, though Parmenio advised waiting
until the next morning. Knowing well, like Memnon on the other
side, that the chances of a pitched battle were all against the
Persians, he resolved to leave them no opportunity of decamping
during the night.
In Alexander’s array, the phalanx or heavy infantry formed the
central body. The six Taxeis or divisions, of which it consisted, were
commanded (reckoning from right to left) by Perdikkas, Kœnus,
Amyntas son of Andromenes, Philippus, Meleager, and Kraterus.[187]
Immediately on the right of the phalanx, were the hypaspistæ, or
light infantry, under Nikanor son of Parmenio—then the light horse
or lancers, the Pæonians, and the Apolloniate squadron of
Companion-cavalry commanded by the Ilarch Sokrates, all under
Amyntas son of Arrhibæus—lastly the full body of Companion-
cavalry, the bowmen, and the Agrianian darters, all under Philôtas
(son of Parmenio), whose division formed the extreme right.[188] The
left flank of the phalanx was in like manner protected by three
distinct divisions of cavalry or lighter troops—first, by the Thracians,
under Agathon—next, by the cavalry of the allies, under Philippus,
son of Menelaus—lastly, by the Thessalian cavalry, under Kallas,
whose division formed the extreme left. Alexander himself took the
command of the right, giving that of the left to Parmenio; by right
and left are meant the two halves of the army, each of them
including three Taxeis or divisions of the phalanx with the cavalry on
its flank—for there was no recognized centre under a distinct
command. On the other side of the Granikus, the Persian cavalry
lined the bank. The Medes and Baktrians were on their right, under
Rheomithres—the Paphlagonians and Hyrkanians in the centre,
under Arsites and Spithridates—on the left were Memnon and
Arsamenes, with their divisions.[189] The Persian infantry, both
Asiatic and Grecian, were kept back in reserve; the cavalry alone
being relied upon to dispute the passage of the river.
In this array, both parties remained for some time, watching each
other in anxious silence.[190] There being no firing or smoke, as with
modern armies, all the details on each side were clearly visible to the
other; so that the Persians easily recognized Alexander himself on
the Macedonian right from the splendor of his armor and military
costume, as well as from the respectful demeanor of those around
him. Their principal leaders accordingly thronged to their own left,
which they reinforced with the main strength of their cavalry, in
order to oppose him personally. Presently he addressed a few words
of encouragement to the troops, and gave the order for advance. He
directed the first attack to be made by the squadron of Companion-
cavalry whose turn it was on that day to take the lead—(the
squadron of Apollonia, of which Sokrates was captain—commanded
on this day by Ptolemæus son of Philippus) supported by the light
horse or Lancers, the Pæonian darters (infantry), and one division of
regularly armed infantry, seemingly hypaspistæ.[191] He then himself
entered the river, at the head of the right half of the army, cavalry
and infantry, which advanced under sound of trumpets and with the
usual war-shouts. As the occasional depths of water prevented a
straightforward march with one uniform line, the Macedonians
slanted their course suitably to the fordable spaces; keeping their
front extended so as to approach the opposite bank as much as
possible in line, and not in separate columns with flanks exposed to
the Persian cavalry.[192] Not merely the right under Alexander, but
also the left under Parmenio, advanced and crossed in the same
movement and under the like precautions.
The foremost detachment under Ptolemy and Amyntas, on
reaching the opposite bank, encountered a strenuous resistance,
concentrated as it was here upon one point. They found Memnon
and his sons with the best of the Persian cavalry immediately in their
front; some on the summit of the bank, from whence they hurled
down their javelins—others down at the water’s-edge, so as to come
to closer quarters. The Macedonians tried every effort to make good
their landing, and push their way by main force through the Persian
horse, but in vain. Having both lower ground and insecure footing,
they could make no impression, but were thrust back with some
loss, and retired upon the main body which Alexander was now
bringing across. On his approaching the shore, the same struggle
was renewed around his person with increased fervor on both sides.
He was himself among the foremost, and all near him were
animated by his example. The horsemen on both sides became
jammed together, and the contest was one of physical force and
pressure by man and horse; but the Macedonians had a great
advantage in being accustomed to the use of the strong close-
fighting pike, while the Persian weapon was the missile javelin. At
length the resistance was surmounted, and Alexander with those
around him, gradually thrusting back the defenders, made good their
way up the high bank to the level ground. At other points the
resistance was not equally vigorous. The left and centre of the
Macedonians, crossing at the same time on all practicable spaces
along the whole line, overpowered the Persians stationed on the
slope, and got up to the level ground with comparative facility.[193]
Indeed no cavalry could possibly stand on the bank to offer
opposition to the phalanx with its array of long pikes, wherever this
could reach the ascent in any continuous front. The easy crossing of
the Macedonians at other points helped to constrain those Persians,
who were contending with Alexander himself on the slope, to recede
to the level ground above.
Here again, as at the water’s edge, Alexander was foremost in
personal conflict. His pike having been broken, he turned to a soldier
near him—Aretis, one of the horseguards who generally aided him in
mounting his horse—and asked for another. But this man, having
broken his pike also, showed the fragment to Alexander, requesting
him to ask some one else; upon which the Corinthian Demaratus,
one of the Companion-cavalry close at hand, gave him his weapon
instead. Thus armed anew, Alexander spurred his horse forward
against Mithridates (son-in-law of Darius), who was bringing up a
column of cavalry to attack him, but was himself considerably in
advance of it. Alexander thrust his pike into the face of Mithridates,
and laid him prostrate on the ground: he then turned to another of
the Persian leaders, Rhœsakes, who struck him a blow on the head
with his scymetar, knocked off a portion of his helmet, but did not
penetrate beyond. Alexander avenged this blow by thrusting
Rhœsakes through the body with his pike.[194] Meanwhile a third
Persian leader, Spithridates, was actually close behind Alexander,
with hand and scymetar uplifted to cut him down. At this critical
moment, Kleitus son of Dropides—one of the ancient officers of
Philip, high in the Macedonian service—struck with full force at the
uplifted arm of Spithridates and severed it from the body, thus
preserving Alexander’s life. Other leading Persians, kinsmen of
Spithridates, rushed desperately on Alexander, who received many
blows on his armor, and was in much danger. But the efforts of his
companions near were redoubled, both to defend his person and to
second his adventurous daring. It was on that point that the Persian
cavalry was first broken. On the left of the Macedonian line, the
Thessalian cavalry also fought with vigor and success;[195] and the
light-armed foot, intermingled with Alexander’s cavalry generally, did
great damage to the enemy. The rout of the Persian cavalry, once
begun, speedily became general. They fled in all directions, pursued
by the Macedonians.
But Alexander and his officers soon checked this ardor of pursuit,
calling back their cavalry to complete his victory. The Persian
infantry, Asiatics as well as Greeks, had remained without movement
or orders, looking on the cavalry battle which had just disastrously
terminated. To them Alexander immediately turned his attention.[196]
He brought up his phalanx and hypaspistæ to attack them in front,
while his cavalry assailed on all sides their unprotected flanks and
rear; he himself charged with the cavalry, and had a horse killed
under him. His infantry alone was more numerous than they, so that
against such odds the result could hardly be doubtful. The greater
part of these mercenaries, after a valiant resistance, were cut to
pieces on the field. We are told that none escaped, except 2000
made prisoners, and some who remained concealed in the field
among the dead bodies.[197]
In this complete and signal defeat, the loss of the Persian cavalry
was not very serious in mere number—for only 1000 of them were
slain. But the slaughter of the leading Persians, who had exposed
themselves with extreme bravery in the personal conflict against
Alexander, was terrible. There were slain not only Mithridates,
Rhœsakes, and Spithridates, whose names have been already
mentioned,—but also Pharnakes, brother-in-law of Darius,
Mithrobarzanes satrap of Kappadokia, Atizyes, Niphates, Petines, and
others; all Persians of rank and consequence. Arsites, the satrap of
Phrygia, whose rashness had mainly caused the rejection of
Memnon’s advice, escaped from the field, but died shortly afterwards
by his own hand, from anguish and humiliation.[198] The Persian or
Perso-Grecian infantry, though probably more of them individually
escaped than is implied in Arrian’s account, was as a body
irretrievably ruined. No force was either left in the field, or could be
afterwards reassembled in Asia Minor.
The loss on the side of Alexander is said to have been very small.
Twenty-five of the Companion-cavalry, belonging to the division
under Ptolemy and Amyntas, were slain in the first unsuccessful
attempt to pass the river. Of the other cavalry, sixty in all were slain;
of the infantry, thirty. This is given to us as the entire loss on the
side of Alexander.[199] It is only the number of killed; that of the
wounded is not stated; but assuming it to be ten times the number
of killed, the total of both together will be 1265.[200] If this be
correct, the resistance of the Persian cavalry, except near that point
where Alexander himself and the Persian chiefs came into conflict,
cannot have been either serious or long protracted. But when we
add farther the contest with the infantry, the smallness of the total
assigned for Macedonian killed and wounded will appear still more
surprising. The total of the Persian infantry is stated at nearly
20,000, most part of them Greek mercenaries. Of these only 2000
were made prisoners; nearly all the rest (according to Arrian) were
slain. Now the Greek mercenaries were well armed, and not likely to
let themselves be slain with impunity; moreover Plutarch expressly
affirms that they resisted with desperate valor, and that most of the
Macedonian loss was incurred in the conflict against them. It is not
easy therefore to comprehend how the total number of slain can be
brought within the statement of Arrian.[201]
After the victory, Alexander manifested the greatest solicitude for
his wounded soldiers, whom he visited and consoled in person. Of
the twenty-five Companions slain, he caused brazen statues, by
Lysippus, to be erected at Dium in Macedonia, where they were still
standing in the time of Arrian. To the surviving relatives of all the
slain he also granted immunity from taxation and from personal
service. The dead bodies were honorably buried, those of the enemy
as well as of his own soldiers. The two thousand Greeks in the
Persian service who had become his prisoners, were put in chains,
and transported to Macedonia, there to work as slaves; to which
treatment Alexander condemned them on the ground that they had
taken arms on behalf of the foreigner against Greece, in
contravention of the general vote passed by the synod at Corinth. At
the same time, he sent to Athens three hundred panoplies selected
from the spoil, to be dedicated to Athênê in the acropolis with this
inscription—“Alexander son of Philip, and the Greeks, except the
Lacedæmonians (present these offerings), out of the spoils of the
foreigners inhabiting Asia.”[202] Though the vote to which Alexander
appealed represented no existing Grecian aspiration, and granted
only a sanction which could not be safely refused, yet he found
satisfaction in clothing his own self-aggrandizing impulse under the
name of a supposed Pan-hellenic purpose: which was at the same
time useful, as strengthening his hold upon the Greeks, who were
the only persons competent, either as officers or soldiers, to uphold
the Persian empire against him. His conquests were the extinction of
genuine Hellenism, though they diffused an exterior varnish of it,
and especially the Greek language, over much of the Oriental world.
True Grecian interests lay more on the side of Darius than of
Alexander.
The battle of the Granikus, brought on by Arsites and the other
satraps contrary to the advice of Memnon, was moreover so
unskilfully fought by them, that the gallantry of their infantry, the
most formidable corps of Greeks that had ever been in the Persian
service, was rendered of little use. The battle, properly speaking,
was fought only by the Persian cavalry;[203] the infantry was left to
be surrounded and destroyed afterwards.
No victory could be more decisive or terror-striking than that of
Alexander. There remained no force in the field to oppose him. The
impression made by so great a public catastrophe was enhanced by
two accompanying circumstances; first, by the number of Persian
grandees who perished, realizing almost the wailings of Atossa,
Xerxes, and the Chorus, in the Persæ of Æschylus,[204] after the
battle of Salamis—next, by the chivalrous and successful prowess of
Alexander himself, who, emulating the Homeric Achilles, not only
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  • 1. Computer Organization and Architecture 10th Edition Stallings Test Bank download http://testbankbell.com/product/computer-organization-and- architecture-10th-edition-stallings-test-bank/ Find test banks or solution manuals at testbankbell.com today!
  • 2. We have selected some products that you may be interested in Click the link to download now or visit testbankbell.com for more options!. Computer Organization and Architecture 10th Edition Stallings Solutions Manual http://testbankbell.com/product/computer-organization-and- architecture-10th-edition-stallings-solutions-manual/ Solution Manual for Computer Organization and Architecture, 11th Edition, William Stallings http://testbankbell.com/product/solution-manual-for-computer- organization-and-architecture-11th-edition-william-stallings-2/ Solution Manual for Computer Organization & Architecture Themes and Variations, 1st Edition http://testbankbell.com/product/solution-manual-for-computer- organization-architecture-themes-and-variations-1st-edition/ Test Bank for Child Development From Infancy to Adolescence An Active Learning Approach, 2nd Edition, Laura E. Levine, Joyce Munsch http://testbankbell.com/product/test-bank-for-child-development-from- infancy-to-adolescence-an-active-learning-approach-2nd-edition-laura- e-levine-joyce-munsch/
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  • 5. Computer Organization and Architecture, 10th Edition, by William Stallings © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved. Computer Organization and Architecture 10th Edition Stallings Test Bank Download full chapter at: https://testbankbell.com/product/computer- organization-and-architecture-10th-edition-stallings-test-bank/ CHAPTER 2: PERFORMANCE ISSUES TRUE OR FALSE T F 1. Year by year the cost of computer systems continues to rise. T F 2. Processors are so inexpensive that we now have microprocessors we throw away. T F 3. Workstation systems cannot support highly sophisticated engineering and scientific applications. T F 4. The IAS is the prototype of all subsequent general-purpose computers. T F 5. Cloud service providers use massive high-performance banks of servers to satisfy high-volume, high-transaction-rate applications for a broad spectrum of clients. T F 6. The raw speed of the microprocessor will not achieve its potential unless it is fed a constant stream of work to do in the form of computer instructions. T F 7. Superscalar execution is the same principle as seen in an assembly line. T F 8. Branch prediction potentially increases the amount of work available for the processor to execute. T F 9. Raw speed is far more important than how a processor performs when executing a given application. T F 10. The cache holds recently accessed data.
  • 6. Computer Organization and Architecture, 10th Edition, by William Stallings © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved. T F 11. Operations performed by a processor, such as fetching an instruction, decoding the instruction, performing an arithmetic operation, and so on, are governed by a system clock. T F 12. A common measure of performance for a processor is the rate at which instructions are executed, expressed as millions of instructions per second (MIPS).
  • 7. Computer Organization and Architecture, 10th Edition, by William Stallings © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved. T F 13. Designers wrestle with the challenge of balancing processor performance with that of main memory and other computer components. T F 14. A straight comparison of clock speeds on different processors tells the whole story about performance. T F 15. Measures such as MIPS and MFLOPS have proven adequate to evaluating the performance of processors. MULTIPLE CHOICE 1. Multiple parallel pipelines are used in . A. speculative execution B. data flow analysis C. superscalar execution D. branch prediction 2. The desktop application(s) that require the great power of today’s microprocessor-based systems include _. A. image processing B. speech recognition C. videoconferencing D. all of the above 3. potentially increases the amount of work available for the processor to execute. A. Branch prediction B. Performance balance C. Pipelining D. BIPS 4. The interface between processor and _ is the most crucial pathway in the entire computer because it is responsible for carrying a constant flow of program instructions and data between memory chips and the processor. A. main memory B. pipeline C. clock speed D. control unit
  • 8. Computer Organization and Architecture, 10th Edition, by William Stallings © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved. 5. The is a relatively small fast memory interposed between a larger, slower memory and the logic that accesses the larger memory. A. peripheral B. cache C. processor D. arithmetic and logic unit 6. An increase in clock rate means that individual operations are executed _. A. the same B. slower C. with very little change D. more rapidly 7. A is a core designed to perform parallel operations on graphics data. A. MIC B. ALU C. GPU D. PGD 8. A(n) Mean is a good candidate for comparing the execution time performance of several systems. A. Composite B. Arithmetic C. Harmonic D. Evaluation 9. law deals with the potential speedup of a program using multiple processors compared to a single processor. A. Moore’s B. Amdahl’s C. Little’s D. Murphy’s 10. One increment, or pulse, of a clock is referred to as a . A. clock cycle B. clock rate C. clock speed D. cycle time
  • 9. Computer Organization and Architecture, 10th Edition, by William Stallings © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved. 11. The use of multiple processors on the same chip is referred to as and provides the potential to increase performance without increasing the clock rate. A. multicore B. GPU C. data channels D. MPC 12. With respect to changes in values, the Mean gives equal weight to all of the values in the data set. A. Harmonic B. Arithmetic C. Composite D. Geometric 13. The measures the ability of a computer to complete a single task. A. clock speed B. speed metric C. execute cycle D. cycle time 14. A measurement of how many tasks a computer can accomplish in a certain amount of time is called a(n) . A. real-time system B. application analysis C. cycle speed D. throughput 15. The best known of the SPEC benchmark suites is . A. SPEC CPU2006 B. SPECjvm2008 C. SPECsfs2008 D. SPEC SC2013 SHORT ANSWER 1. enables a processor to work simultaneously on multiple instructions by performing a different phase for each of the multiple instructions at the same time.
  • 10. Computer Organization and Architecture, 10th Edition, by William Stallings © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved. 2. is the ability to issue more than one instruction in every processor clock cycle. 3. With the processor looks ahead in the instruction code fetched from memory and predicts which branches, or groups of instructions, are likely to be processed next. 4. enables the processor to keep its execution engines as busy as possible by executing instructions that are likely to be needed. 5. Traditionally found on a plug-in graphics card, a is used to encode and render 2D and 3D graphics as well as process video. 6. Law applies to a queuing system. 7. The three common formulas used for calculating a mean are arithmetic, harmonic, and . 8. The Mean used for a time-based variable, such as program execution time, has the important property that it is directly proportional to the total time. 9. The Mean is preferred when calculating rates. 10. The Mean gives consistent results regardless of which system is used as a reference. 11. metric are required for all reported results and have strict guidelines for compilation. 12. A suite is a collection of programs, defined in a high-level language, that together attempt to provide a representative test of a computer in a particular application or system programming area. 13. At the most fundamental level, the speed of a processor is dictated by the pulse frequency produced by the clock, measured in cycles per second, or . 14. The best-known collection of benchmark suites is defined and maintained by an industry consortium known as _. 15. law deals with the potential speedup of a program using multiple processors compared to a single processor.
  • 11. Computer Organization and Architecture, 10th Edition, by William Stallings © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved. CHAPTER 2: PERFORMANCE ISSUES TRUE OR FALSE 1. F 2. T 3. F 4. T 5. T 6. T 7. F 8. T 9. F 10. T 11. T 12. T 13. T 14. F 15. F MULTIPLE CHOICE 1. C 2. D 3. A 4. A 5. B 6. D 7. C 8. B 9. B 10. A 11. A 12. D 13. B 14. D 15. A
  • 12. Computer Organization and Architecture, 10th Edition, by William Stallings © 2016 Pearson Education, Inc., Hoboken, NJ. All rights reserved. SHORT ANSWER 1. Pipelining 2. Superscalar execution 3. branch prediction 4. Speculative execution 5. GPU (graphics processing units) 6. Little’s 7. geometric 8. Arithmetic 9. Harmonic 10. Geometric 11. Base 12. benchmark 13. Hertz (Hz) 14. System Performance Evaluation Corporation (SPEC) 15. Amdahl’s
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  • 14. have been measured by the degree to which he could appropriate Grecian force to himself, and withhold it from his enemy. Alexander’s memorable and illustrious manifestations, on which we are now entering, are those, not of the ruler or politician, but of the general and the soldier. In this character his appearance forms a sort of historical epoch. It is not merely in soldier-like qualities—in the most forward and even adventurous bravery—in indefatigable personal activity, and in endurance as to hardship and fatigue,—that he stands pre-eminent; though these qualities alone, when found in a king, act so powerfully on those under his command, that they suffice to produce great achievements, even when combined with generalship not surpassing the average of his age. But in generalship, Alexander was yet more above the level of his contemporaries. His strategic combinations, his employment of different descriptions of force conspiring towards one end, his long- sighted plans for the prosecution of campaigns, his constant foresight and resource against new difficulties, together with rapidity of movement even in the worst country—all on a scale of prodigious magnitude—are without parallel in ancient history. They carry the art of systematic and scientific welfare to a degree of efficiency, such as even successors trained in his school were unable to keep up unimpaired. We must recollect however that Alexander found the Macedonian military system built up by Philip, and had only to apply and enlarge it. As transmitted to him, it embodied the accumulated result and matured fruit of a series of successive improvements, applied by Grecian tacticians to the primitive Hellenic arrangements. During the sixty years before the accession of Alexander, the art of war had been conspicuously progressive—to the sad detriment of Grecian political freedom. “Everything around us (says Demosthenes addressing the people of Athens in 342 B. C.), has been in advance for some years past—nothing is like what it was formerly—but nowhere is the alteration and enlargement more conspicuous than in the affairs of war. Formerly, the Lacedæmonians as well as other
  • 15. Greeks did nothing more than invade each other’s territory, during the four or five summer months, with their native force of citizen hoplites: in winter they stayed at home. But now we see Philip in constant action, winter as well as summer, attacking all around him, not merely with Macedonian hoplites, but with cavalry, light infantry, bowmen, foreigners of all descriptions, and siege-batteries.”[115] I have in my last two volumes dwelt upon this progressive change in the character of Grecian soldiership. At Athens, and in most other parts of Greece, the burghers had become averse to hard and active military service. The use of arms had passed mainly to professional soldiers, who, without any feeling of citizenship, served wherever good pay was offered, and became immensely multiplied, to the detriment and danger of Grecian society.[116] Many of these mercenaries were lightly armed—peltasts served in combination with the hoplites.[117] Iphikrates greatly improved and partly re-armed the peltasts; whom he employed conjointly with hoplites so effectively as to astonish his contemporaries.[118] His innovation was farther developed by the great military genius of Epaminondas; who not only made infantry and cavalry, light-armed and heavy-armed, conspire to one scheme of operations, but also completely altered the received principles of battle-manœuvring, by concentrating an irresistible force of attack on one point of the enemy’s line, and keeping the rest of his own line more on the defensive. Besides these important improvements, realized by generals in actual practice, intelligent officers like Xenophon embodied the results of their military experience in valuable published criticisms.[119] Such were the lessons which the Macedonian Philip learnt and applied to the enslavement of those Greeks, especially of the Thebans, from whom they were derived. In his youth, as a hostage at Thebes, he had probably conversed with Epaminondas, and must certainly have become familiar with the Theban military arrangements. He had every motive, not merely from ambition, of conquest, but even from the necessities of defence, to turn them to account: and he brought to the task military genius and aptitude of the highest order. In arms, in evolutions, in engines, in regimenting, in war-office
  • 16. arrangements, he introduced important novelties; bequeathing to his successors the Macedonian military system, which, with improvements by his son, lasted until the conquest of the country by Rome, near two centuries afterwards. The military force of Macedonia, in the times anterior to Philip, appears to have consisted, like that of Thessaly, in a well-armed and well-mounted cavalry, formed from the substantial proprietors of the country—and in a numerous assemblage of peltasts or light infantry (somewhat analogous to the Thessalian Penestæ): these latter were the rural population, shepherds or cultivators, who tended sheep and cattle, or tilled the earth, among the spacious mountains and valleys of Upper Macedonia. The Grecian towns near the coast, and the few Macedonian towns in the interior, had citizen-hoplites better armed; but foot-service was not in honor among the natives, and the Macedonian infantry in their general character were hardly more than a rabble. At the period of Philip’s accession, they were armed with nothing better than rusty swords and wicker shields, noway sufficient to make head against the inroads of their Thracian and Illyrian neighbors; before whom they were constantly compelled to flee for refuge up into the mountains.[120] Their condition was that of a poor herdsman, half-naked or covered only with hides, and eating from wooden platters: not much different from that of the population of Upper Macedonia three centuries before, when first visited by Perdikkas the ancestor of the Macedonian kings, and when the wife of the native prince baked bread with her own hands.[121] On the other hand, though the Macedonian infantry was thus indifferent, the cavalry of the country was excellent, both in the Peloponnesian war, and in the war carried on by Sparta against Olynthus more than twenty years afterwards.[122] These horsemen, like the Thessalians, charged in compact order, carrying as their principal weapon of offence, not javelins to be hurled, but the short thrusting-pike for close combat. Thus defective was the military organization which Philip found. Under his auspices it was cast altogether anew. The poor and hardy
  • 17. Landwehr of Macedonia, constantly on the defensive against predatory neighbors, formed an excellent material for soldiers, and proved not intractable to the innovations of a warlike prince. They were placed under constant training in the regular rank and file of heavy infantry: they were moreover brought to adopt a new description of arm, not only in itself very difficult to manage, but also comparatively useless to the soldier when fighting single- handed, and only available by a body of men in close order, trained to move or stand together. The new weapon, of which we first hear the name in the army of Philip, was the sarissa—the Macedonian pike or lance. The sarissa was used both by the infantry of his phalanx, and by particular regiments of his cavalry; in both cases it was long, though that of the phalanx was much the longer of the two. The regiments of cavalry called Sarissophori or Lancers were a sort of light-horse, carrying a long lance, and distinguished from the heavier cavalry intended for the shock of hand combat, who carried the xyston or short pike. The sarissa of this cavalry may have been fourteen feet in length, as long as the Cossack pike now is; that of the infantry in phalanx was not less than twenty-one feet long. This dimension is so prodigious and so unwieldy, that we should hardly believe it, if it did not come attested by the distinct assertion of an historian like Polybius. The extraordinary reach of the sarissa or pike constituted the prominent attribute and force of the Macedonian phalanx. The phalangites were drawn up in files generally sixteen deep, each called a Lochus; with an interval of three feet between each two soldiers from front to rear. In front stood the lochage, a man of superior strength, and of tried military experience. The second and third men in the file, as well as the rearmost man who brought up the whole, were also picked soldiers, receiving larger pay than the rest. Now the sarissa, when in horizontal position, was held with both hands (distinguished in this respect from the pike of the Grecian hoplite, which occupied only one hand, the other being required for the shield), and so held that it projected fifteen feet before the body of the pikeman; while the hinder portion of six feet
  • 18. so weighted as to make the pressure convenient in such division. Hence, the sarissa of the man standing second in the file, projected twelve feet beyond the front rank; that of the third man, nine feet; these of the fourth and fifth ranks, respectively six feet and three feet. There was thus presented a quintuple series of pikes by each file, to meet an advancing enemy. Of these five, the three first would be decidedly of greater projection, and even the fourth of not less projection, than the pikes of Grecian hoplites coming up as enemies to the charge. The ranks behind the fifth, while serving to sustain and press onward the front, did not carry the sarissa in a horizontal position, but slanted it over the shoulders of those before them, so as to break the force of any darts or arrows which might be shot over head from the rear ranks of the enemy.[123] The phalangite (soldier of the phalanx) was farther provided with a short sword, a circular shield of rather more than two feet in diameter, a breast-piece, leggings, and a kausia or broad-brimmed- hat—the head-covering common in the Macedonian army. But the long pikes were in truth the main weapons of defence as well as of offence. They were destined to contend against the charge of Grecian hoplites with the one-handed pike and heavy shield; especially against the most formidable manifestation of that force, the deep Theban column organized by Epaminondas. This was what Philip had to deal with, at his accession, as the irresistible infantry of Greece, bearing down everything before it by thrust of pike and propulsion of shield. He provided the means of vanquishing it, by training his poor Macedonian infantry to the systematic use of the long two-handed pike. The Theban column, charging a phalanx so armed, found themselves unable to break into the array of protended pikes, or to come to push of shield. We are told that at the battle of Chæroneia, the front rank Theban soldiers, the chosen men of the city, all perished on the ground; and this is not wonderful, when we conceive them as rushing, by their own courage as well as by the pressure upon them from behind, upon a wall of Pikes double the length of their own. We must look at Philip’s phalanx with reference to the enemies before him, not with
  • 19. reference to the later Roman organization, which Polybius brings into comparison. It answered perfectly the purposes of Philip, who wanted mainly to stand the shock in front, thus overpowering Grecian hoplites in their own mode of attack. Now Polybius informs us, that the phalanx was never once beaten, in front and on ground suitable for it; and wherever the ground was fit for hoplites, it was also fit for the phalanx. The inconveniences of Philip’s array, and of the long pikes, arose from the incapacity of the phalanx to change its front or keep its order on unequal ground; but such inconveniences were hardly less felt by Grecian hoplites.[124] The Macedonian phalanx, denominated the Pezetæri[125] or Foot Companions of the King, comprised the general body of native infantry, as distinguished from special corps d’armée. The largest division of it which we find mentioned under Alexander, and which appears under the command of a general of division, is called a Taxis. How many of these Taxeis there were in all, we do not know; the original Asiatic army of Alexander (apart from what he left at home) included six of them, coinciding apparently with the provincial allotments of the country: Orestæ, Lynkestæ, Elimiotæ, Tymphæi, etc.[126] The writers on tactics give us a systematic scale of distribution (ascending from the lowest unit, the Lochus of sixteen men, by successive multiples of two, up to the quadruple phalanx of 16,384 men) as pervading the Macedonian army. Among these divisions, that which stands out as most fundamental and constant, is the Syntagma, which contained sixteen Lochi. Forming thus a square of sixteen men in front and depth, or 256 men, it was at the same time a distinct aggregate or permanent battalion, having attached to it five supernumeraries, an ensign, a rear-man, a trumpeter, a herald, and an attendant or orderly.[127] Two of these Syntagmas composed a body of 512 men, called a Pentakosiarchy, which in Philip’s time is said to have been the ordinary regiment, acting together under a separate command; but several of these were doubled by Alexander when he reorganized his army at Susa, [128] so as to form regiments of 1024 men, each under its Chiliarch, and each comprising four Syntagmas. All this systematic distribution
  • 20. of the Macedonian military force when at home, appears to have been arranged by the genius of Philip. On actual foreign service, no numerical precision could be observed; a regiment or a division could not always contain the same fixed number of men. But as to the array, a depth of sixteen, for the files of the phalangites, appears to have been regarded as important and characteristic,[129] perhaps essential to impart a feeling of confidence to the troops. It was a depth much greater than was common with Grecian hoplites, and never surpassed by any Greeks except the Thebans. But the phalanx, though an essential item, was yet only one among many, in the varied military organization introduced by Philip. It was neither intended, nor fit, to act alone; being clumsy in changing front to protect itself either in flank or rear, and unable to adapt itself to uneven ground. There was another description of infantry organized by Philip called the Hypaspists—shield-bearers or Guards;[130] originally few in number, and employed for personal defence of the prince—but afterwards enlarged into several distinct corps d’armée. These Hypaspists or Guards were light infantry of the line;[131] they were hoplites, keeping regular array and intended for close combat, but more lightly armed, and more fit for diversities of circumstance and position, than the phalanx. They seem to have fought with the one-handed pike and shield, like the Greeks; and not to have carried the two-handed phalangite pike or sarissa. They occupied a sort of intermediate place between the heavy infantry of the phalanx properly so called—and the peltasts and light troops generally. Alexander in his later campaigns had them distributed into Chiliarchies (how the distribution stood earlier, we have no distinct information), at least three in number, and probably more.[132] We find them employed by him in forward and aggressive movements; first his light troops and cavalry begin the attack; next, the hypaspists come to follow it up; lastly, the phalanx is brought up to support them. The hypaspists are used also for assault of walled places, and for rapid night marches.[133] What was the total number of them, we do not know.[134]
  • 21. Besides the phalanx, and the hypaspists or Guards, the Macedonian army as employed by Philip and Alexander included a numerous assemblage of desultory or irregular troops, partly native Macedonians, partly foreigners, Thracians, Pæonians, etc. They were of different descriptions; peltasts, darters, and bowmen. The best of them appear to have been the Agriânes, a Pæonian tribe expert in the use of the javelin. All of them were kept in vigorous movement by Alexander, on the flanks and in front of his heavy infantry, or intermingled with his cavalry,—as well as for pursuit after the enemy was defeated. Lastly, the cavalry in Alexander’s army was also admirable—at least equal, and seemingly even superior in efficiency, to his best infantry.[135] I have already mentioned that cavalry was the choice native force of Macedonia, long before the reign of Philip; by whom it had been extended and improved.[136] The heavy cavalry, wholly or chiefly composed of native Macedonians, was known by the denomination of the Companions. There was besides a new and lighter variety of cavalry, apparently introduced by Philip, and called the Sarissophori, or Lancers, used like Cossacks for advanced posts or scouring the country. The sarissa which they carried was probably much shorter than that of the phalanx; but it was long, if compared with the xyston or thrusting pike used by the heavy cavalry for the shock of close combat. Arrian, in describing the army of Alexander at Arbêla, enumerates eight distinct squadrons of this heavy cavalry— or cavalry of the Companions; but the total number included in the Macedonian army at Alexander’s accession, is not known. Among the squadrons, several at least (if not all) were named after particular towns or districts of the country—Bottiæa, Amphipolis, Apollonia, Anthemus, etc.;[137] there was one or more, distinguished as the Royal Squadron—the Agêma or leading body of cavalry—at the head of which Alexander generally charged, himself among the foremost of the actual combatants.[138] The distribution of the cavalry into squadrons was that which Alexander found at his accession; but he altered it, when he
  • 22. remodelled the arrangements of his army (in 330 B. C.), at Susa, so as to subdivide the squadron into two Lochi, and to establish the Lochus for the elementary division of cavalry, as it had always been of infantry.[139] His reforms went thus to cut down the primary body of cavalry from the squadron to the half-squadron or Lochus, while they tended to bring the infantry together into larger bodies—from cohorts of 500 each to cohorts of 1000 men each. Among the Hypaspists or Guards, also, we find an Agêma or chosen cohort, which was called upon oftener than the rest to begin the fight. A still more select corps were, the Body-Guards; a small company of tried and confidential men, individually known to Alexander, always attached to his person, and acting as adjutants or as commanders for special service. These Body-Guards appear to have been chosen persons promoted out of the Royal Youths or Pages; an institution first established by Philip, and evincing the pains taken by him to bring the leading Macedonians into military organization as well as into dependence on his own person. The Royal Youths, sons of the chief persons throughout Macedonia, were taken by Philip into service, and kept in permanent residence around him for purposes of domestic attendance and companionship. They maintained perpetual guard of his palace, alternating among themselves the hours of daily and nightly watch; they received his horse from the grooms, assisted him to mount, and accompanied him if he went to the chase: they introduced persons who came to solicit interviews, and admitted his mistresses by night through a special door. They enjoyed the privilege of sitting down to dinner with him, as well as that of never being flogged except by his special order.[140] The precise number of the company we do not know; but it must have been not small, since fifty of these youths were brought out from Macedonia at once by Amyntas to join Alexander and to be added to the company at Babylon.[141] At the same time the mortality among them was probably considerable; since, in accompanying Alexander, they endured even more than the prodigious fatigues which he imposed upon himself.[142] The training in this corps was a preparation first for becoming Body-guards of
  • 23. Alexander,—next, for appointment to the great and important military commands. Accordingly, it had been the first stage of advancement to most of the Diadochi, or great officers of Alexander, who after his death carved kingdoms for themselves out of his conquests. It was thus that the native Macedonian force was enlarged and diversified by Philip, including at his death—1. The phalanx, Foot- companions, or general mass of heavy infantry, drilled to the use of the long two-handed pike or sarissa—2. The Hypaspists, or lighter- armed corps of foot-guards—3. The Companions, or heavy cavalry, the ancient indigenous force consisting of the more opulent or substantial Macedonians—4. The lighter cavalry, lancers, or Sarissophori.—With these were joined foreign auxiliaries of great value. The Thessalians, whom Philip had partly subjugated and partly gained over, furnished him with a body of heavy cavalry not inferior to the native Macedonian. From various parts of Greece he derived hoplites, volunteers taken into his pay, armed with the full- sized shield and one-handed pike. From the warlike tribes of Thracians, Pæonians, Illyrians, etc., whom he had subdued around him, he levied contingents of light troops of various descriptions, peltasts, bowmen, darters, etc., all excellent in their way, and eminently serviceable to his combinations, in conjunction with the heavier masses. Lastly, Philip had completed his military arrangements by organizing what may be called an effective siege- train for sieges as well as for battles; a stock of projectile and battering machines, superior to anything at that time extant. We find this artillery used by Alexander in the very first year of his reign, in his campaign against the Illyrians.[143] Even in his most distant Indian marches, he either carried it with him, or had the means of constructing new engines for the occasion. There was no part of his military equipment more essential to his conquests. The victorious sieges of Alexander are among his most memorable exploits. To all this large, multifarious, and systematized array of actual force, are to be added the civil establishments, the depôts,
  • 24. magazines of arms, provision for remounts, drill officers and adjutants, etc., indispensable for maintaining it in constant training and efficiency. At the time of Philip’s accession, Pella was an unimportant place;[144] at his death, it was not only strong as a fortification and place of deposit for regal treasure, but also the permanent centre, war-office, and training quarters, of the greatest military force then known. The military registers as well as the traditions of Macedonian discipline were preserved there until the fall of the monarchy.[145] Philip had employed his life in organizing this powerful instrument of dominion. His revenues, large as they were, both from mines and from tributary conquests, had been exhausted in the work, so that he had left at his decease a debt of 500 talents. But his son Alexander found the instrument ready made, with excellent officers, and trained veterans for the front ranks of his phalanx.[146] This scientific organization of military force, on a large scale and with all the varieties of arming and equipment made to co-operate for one end, is the great fact of Macedonian history. Nothing of the same kind and magnitude had ever before been seen. The Macedonians, like Epirots and Ætolians, had no other aptitude or marking quality except those of soldiership. Their rude and scattered tribes manifest no definite political institutions and little sentiment of national brotherhood; their union was mainly that of occasional fellowship in arms under the king as chief. Philip the son of Amyntas was the first to organize this military union into a system permanently and efficaciously operative, achieving by means of it conquests such as to create in the Macedonians a common pride of superiority in arms, which served as substitute for political institutions or nationality. Such pride was still farther exalted by the really superhuman career of Alexander. The Macedonian kingdom was nothing but a well-combined military machine, illustrating the irresistible superiority of the rudest men, trained in arms and conducted by an able general, not merely over undisciplined multitudes, but also over free, courageous, and disciplined, citizenship with highly gifted intelligence.
  • 25. During the winter of 335-334 B. C., after the destruction of Thebes and the return of Alexander from Greece to Pella, his final preparations were made for the Asiatic expedition. The Macedonian army with the auxiliary contingents destined for this enterprise were brought together early in the spring. Antipater, one of the oldest and ablest officers of Philip, was appointed to act as viceroy of Macedonia during the king’s absence. A military force, stated at 12,000 infantry and 1500 cavalry,[147] was left with him to keep down the cities of Greece, to resist aggressions from the Persian fleet, and to repress discontents at home. Such discontents were likely to be instigated by leading Macedonians or pretenders to the throne, especially as Alexander had no direct heir: and we are told that Antipater and Parmenio advised postponement of the expedition until the young king could leave behind him an heir of his own lineage.[148] Alexander overruled these representations; yet he did not disdain to lessen the perils at home by putting to death such men as he principally feared or mistrusted, especially the kinsmen of Philip’s last wife Kleopatra.[149] Of the dependent tribes around, the most energetic chiefs accompanied his army into Asia, either by their own preference or at his requisition. After these precautions, the tranquillity of Macedonia was entrusted to the prudence and fidelity of Antipater, which were still farther ensured by the fact that three of his sons accompanied the king’s army and person.[150] Though unpopular in his deportment,[151] Antipater discharged the duties of his very responsible position with zeal and ability; notwithstanding the dangerous enmity of Olympias, against whom he sent many complaints to Alexander when in Asia, whilst she on her side wrote frequent but unavailing letters with a view to ruin him in the esteem of her son. After a long period of unabated confidence, Alexander began during the last years of his life to dislike and mistrust Antipater. He always treated Olympias with the greatest respect; trying however to restrain her from meddling with political affairs, and complaining sometimes of her imperious exigencies and violence.[152]
  • 26. The army intended for Asia, having been assembled at Pella, was conducted by Alexander himself first to Amphipolis, where it crossed the Strymon; next along the road near the coast to the river Nestus and to the towns of Abdêra and Maroneia; then through Thrace across the rivers Hebrus and Melas; lastly, through the Thracian Chersonese to Sestos. Here it was met by his fleet, consisting of 160 triremes, with a number of trading vessels besides;[153] made up in large proportions from contingents furnished by Athens and Grecian cities.[154] The passage of the whole army, infantry, cavalry, and machines, on ships, across the strait from Sestos in Europe to Abydos in Asia,—was superintended by Parmenio, and accomplished without either difficulty or resistance. But Alexander himself, separating from the army at Sestos, went down to Elæus at the southern extremity of the Chersonese. Here stood the chapel and sacred precinct of the hero Protesilaus, who was slain by Hektor; having been the first Greek (according to the legend of the Trojan war) who touched the shore of Troy. Alexander, whose imagination was then full of Homeric reminiscences, offered sacrifice to the hero, praying that his own disembarkation might terminate more auspiciously. He then sailed across in the admiral’s trireme, steering with his own hand, to the landing place near Ilium called the Harbor of the Achæans. At mid-channel of the strait, he sacrificed a bull, with libations out of a golden goblet, to Poseidon and the Nereids. Himself too in full armor, he was the first (like Protesilaus) to tread the Asiatic shore; but he found no enemy like Hektor to meet him. From hence, mounting the hill on which Ilium was placed, he sacrificed to the patron-goddess Athênê; and deposited in her temple his own panoply, taking in exchange some of the arms said to have been worn by the heroes in the Trojan war, which he caused to be carried by guards along with him in his subsequent battles. Among other real or supposed monuments of this interesting legend, the Ilians showed to him the residence of Priam with its altar of Zeus Herkeios, where that unhappy old king was alleged to have been slain by Neoptolemus. Numbering Neoptolemus among his
  • 27. ancestors, Alexander felt himself to be the object of Priam’s yet unappeased wrath; and accordingly offered sacrifice to him at the same altar, for the purpose of expiation and reconciliation. On the tomb and monumental column of Achilles, father of Neoptolemus, he not only placed a decorative garland, but also went through the customary ceremony of anointing himself with oil and running naked round it: exclaiming how much he envied the lot of Achilles, who had been blest during life with a faithful friend, and after death, with a great poet to celebrate his exploits. Lastly, to commemorate his crossing, Alexander erected permanent altars, in honor of Zeus, Athênê, and Hêraklês; both on the point of Europe which his army had quitted, and on that of Asia where it had landed.[155] The proceedings of Alexander, on the ever-memorable site of Ilium, are interesting as they reveal one side of his imposing character—the vein of legendary sympathy and religious sentiment wherein alone consisted his analogy with the Greeks. The young Macedonian prince had nothing of that sense of correlative right and obligation, which characterized the free Greeks of the city- community. But he was in many points a reproduction of the heroic Greeks,[156] his warlike ancestors in legend, Achilles and Neoptolemus, and others of that Æakid race, unparalleled in the attributes of force—a man of violent impulse in all directions, sometimes generous, often vindictive—ardent in his individual affections both of love and hatred, but devoured especially by an inextinguishable pugnacity, appetite for conquest, and thirst for establishing at all cost his superiority of force over others—“Jura negat sibi nata, nihil non arrogat armis”—taking pride, not simply in victorious generalship and direction of the arms of soldiers, but also in the personal forwardness of an Homeric chief, the foremost to encounter both danger and hardship. To dispositions resembling those of Achilles, Alexander indeed added one attribute of a far higher order. As a general, he surpassed his age in provident and even long-sighted combinations. With all his exuberant courage and sanguine temper, nothing was ever omitted in the way of systematic military precaution. Thus much be borrowed, though with many
  • 28. improvements of his own, from Grecian intelligence as applied to soldiership. But the character and dispositions, which he took with him to Asia, had the features, both striking and repulsive, of Achilles, rather than those of Agesilaus or Epaminondas. The army, when reviewed on the Asiatic shore after its crossing, presented a total of 30,000 infantry, and 4500 cavalry, thus distributed:— Infantry. Macedonian phalanx and hypaspists 12,000 Allies 7,000 Mercenaries 5,000 Under the command of Parmenio 24,000 Odryssians, Triballi (both Thracians), and Illyrians 5,000 Agriânes and archers 1,000 Total Infantry 30,000 Cavalry. Macedonian heavy—under Philotas son of Parmenio 1,500 Thessalian (also heavy)—under Kallas 1,500 Miscellaneous Grecian—under Erigyius 600 Thracian and Pæonian (light)—under Kassander 900 Total Cavalry 4,500 Such seems the most trustworthy enumeration of Alexander’s first invading army. There were however other accounts, the highest of which stated as much as 43,000 infantry with 4000 cavalry.[157] Besides these troops, also, there must have been an effective train of projectile machines and engines, for battles and sieges, which we shall soon find in operation. As to money, the military chest of Alexander, exhausted in part by profuse donatives to his Macedonian officers,[158] was as poorly furnished as that of Napoleon Buonaparte on first entering Italy for his brilliant campaign of 1796. According to Aristobulus, he had with him only seventy talents; according to another authority, no more than the means of maintaining his army
  • 29. for thirty days. Nor had he even been able to bring together his auxiliaries, or complete the outfit of his army, without incurring a debt of 800 talents, in addition to that of 500 talents contracted by his father Philip.[159] Though Plutarch[160] wonders at the smallness of the force with which Alexander contemplated the execution of such great projects, yet the fact is, that in infantry he was far above any force which the Persians had to oppose him;[161] not to speak of comparative discipline and organization, surpassing even that of the Grecian mercenaries, who formed the only good infantry in the Persian service; while his cavalry, though inferior as to number, was superior in quality and in the shock of close combat. Most of the officers exercising important command in Alexander’s army were native Macedonians. His intimate personal friend Hephæstion, as well as his body-guards Leonnatus and Lysimachus, were natives of Pella: Ptolemy the son of Lagus, and Pithon, were Eordians from Upper Macedonia; Kraterus and Perdikkas, from the district of Upper Macedonia called Orestis;[162] Antipater with his son Kassander, Kleitus son of Drôpides, Parmenio with his two sons Philôtas and Nikanor, Seleukus, Kœnus, Amyntas, Philippus (these two last names were borne by more than one person), Antigonus, Neoptolemus,[163] Meleager, Peukestes, etc., all these seem to have been native Macedonians. All or most of them had been trained to war under Philip, in whose service Parmenio and Antipater, especially, had occupied a high rank. Of the many Greeks in Alexander’s service, we hear of few in important station. Medius, a Thessalian from Larissa, was among his familiar companions; but the ablest and most distinguished of all was Eumenes, a native of Kardia in the Thracian Chersonese. Eumenes, combining an excellent Grecian education with bodily activity and enterprise, had attracted when a young man the notice of Philip and had been appointed as his secretary. After discharging these duties for seven years until the death of Philip, he was continued by Alexander in the post of chief secretary during the whole of that king’s life.[164] He conducted most of Alexander’s
  • 30. correspondence, and the daily record of his proceedings, which was kept under the name of the Royal Ephemerides. But though his special duties were thus of a civil character, he was not less eminent as an officer in the field. Occasionally entrusted with high military command, he received from Alexander signal recompenses and tokens of esteem. In spite of these great qualities—or perhaps in consequence of them—he was the object of marked jealousy and dislike[165] on the part of the Macedonians,—from Hephæstion the friend, and Neoptolemus the chief armor-bearer, of Alexander, down to the principal soldiers of the phalanx. Neoptolemus despised Eumenes as an unwarlike penman. The contemptuous pride with which Macedonians had now come to look down on Greeks, is a notable characteristic of the victorious army of Alexander, as well as a new feature in history; retorting the ancient Hellenic sentiment in which Demosthenes, a few years before, had indulged towards the Macedonians.[166] Though Alexander has been allowed to land in Asia unopposed, an army was already assembled under the Persian satraps within a few days’ march of Abydos. Since the reconquest of Egypt and Phenicia, about eight or nine years before, by the Persian king Ochus, the power of that empire had been restored to a point equal to any anterior epoch since the repulse of Xerxes from Greece. The Persian successes in Egypt had been achieved mainly by the arms of Greek mercenaries, under the conduct and through the craft of the Rhodian general Mentor; who, being seconded by the preponderant influence of the eunuch Bagôas, confidential minister of Ochus, obtained not only ample presents, but also the appointment of military commander on the Hellespont and the Asiatic seaboard.[167] He procured the recall of his brother Memnon, who with his brother- in-law Artabazus had been obliged to leave Asia from unsuccessful revolt against the Persians, and had found shelter with Philip.[168] He farther subdued, by force or by fraud, various Greek and Asiatic chieftains on the Asiatic coast; among them, the distinguished Hermeias, friend of Aristotle, and master of the strong post of Atarneus.[169] These successes of Mentor seem to have occurred
  • 31. about 343 B. C. He, and his brother Memnon after him, upheld vigorously the authority of the Persian king in the regions near the Hellespont. It was probably by them that troops were sent across the strait both to rescue the besieged town of Perinthus from Philip, and to act against that prince in other parts of Thrace;[170] that an Asiatic chief, who was intriguing to facilitate Philip’s intended invasion of Asia, was seized and sent prisoner to the Persian court; and that envoys from Athens, soliciting aid against Philip, were forwarded to the same place.[171] Ochus, though successful in regaining the full extent of Persian dominion, was a sanguinary tyrant, who shed by wholesale the blood of his family and courtiers. About the year 338 B. C., he died, poisoned by the eunuch Bagôas, who placed upon the throne Arses, one of the king’s sons, killing all the rest. After two years, however, Bagôas conceived mistrust of Arses, and put him to death also, together with all his children; thus leaving no direct descendant of the regal family alive. He then exalted to the throne one of his friends named Darius Codomannus (descended from one of the brothers of Artaxerxes Memnon), who had acquired glory, in a recent war against the Kadusians, by killing in single combat a formidable champion of the enemy’s army. Presently, however, Bagôas attempted to poison Darius also; but the latter, detecting the snare, forced him to drink the deadly draught himself.[172] In spite of such murders and change in the line of succession, which Alexander afterwards reproached to Darius[173]—the authority of Darius seems to have been recognized, without any material opposition, throughout all the Persian empire. Succeeding to the throne in the early part of B. C. 336, when Philip was organizing the projected invasion of Persia, and when the first Macedonian division under Parmenio and Attalus was already making war in Asia—Darius prepared measures of defence at home, and tried to encourage anti-Macedonian movements in Greece.[174] On the assassination of Philip by Pausanias, the Persian king publicly proclaimed himself (probably untruly) as having instigated the deed,
  • 32. and alluded in contemptuous terms to the youthful Alexander.[175] Conceiving the danger from Macedonia to be past, he imprudently slackened his efforts and withheld his supplies during the first months of Alexander’s reign, when the latter might have been seriously embarrassed in Greece and in Europe by the effective employment of Persian ships and money. But the recent successes of Alexander in Thrace, Illyria, and Bœotia, satisfied Darius that the danger was not past, so that he resumed his preparations for defence. The Phenician fleet was ordered to be equipped: the satraps in Phrygia and Lydia got together a considerable force, consisting in part of Grecian mercenaries; while Memnon, on the seaboard, was furnished with the means of taking 5000 of these mercenaries under his separate command.[176] We cannot trace with any exactness the course of these events, during the nineteen months between Alexander’s accession and his landing in Asia (August 336 B. C., to March or April 334 B. C.) We learn generally that Memnon was active and even aggressive on the north-eastern coast of the Ægean. Marching northward from his own territory (the region of Assus or Atarneus skirting the Gulf of Adramyttium[177]) across the range of Mount Ida, he came suddenly upon the town of Kyzikus on the Propontis. He failed, however, though only by a little, in his attempt to surprise it, and was forced to content himself with a rich booty from the district around.[178] The Macedonian generals Parmenio and Kallas had crossed into Asia with bodies of troops. Parmenio, acting in Æolis, took Grynium, but was compelled by Memnon to raise the siege of Pitanê; while Kallas, in the Troad, was attacked, defeated, and compelled to retire to Rhœteium.[179] We thus see that during the season preceding the landing of Alexander, the Persians were in considerable force, and Memnon both active and successful even against the Macedonian generals, on the region north-east of the Ægean. This may help to explain that fatal imprudence, whereby the Persians permitted Alexander to carry over without opposition his grand army into Asia, in the spring of
  • 33. 334 B. C. They possessed ample means of guarding the Hellespont, had they chosen to bring up their fleet, which, comprising as it did the force of the Phenician towns, was decidedly superior to any naval armament at the disposal of Alexander. The Persian fleet actually came into the Ægean a few weeks afterwards. Now Alexander’s designs, preparations, and even intended time of march, must have been well known not merely to Memnon, but to the Persian satraps in Asia Minor, who had got together troops to oppose him. These satraps unfortunately supposed themselves to be a match for him in the field, disregarding the pronounced opinion of Memnon to the contrary, and even overruling his prudent advice by mistrustful and calumnious imputations. At the time of Alexander’s landing, a powerful Persian force was already assembled near Zeleia in the Hellespontine Phrygia, under command of Arsites the Phrygian satrap, supported by several other leading Persians—Spithridates (satrap of Lydia and Ionia), Pharnakes, Atizyes, Mithridates, Rhomithres, Niphates, Petines, etc. Forty of these men were of high rank (denominated kinsmen of Darius), and distinguished for personal valor. The greater number of the army consisted of cavalry, including Medes, Baktrians, Hyrkanians, Kappadokians, Paphlagonians, etc.[180] In cavalry they greatly outnumbered Alexander; but their infantry was much inferior in number,[181] composed however, in large proportion, of Grecian mercenaries. The Persian total is given by Arrian as 20,000 cavalry, and nearly 20,000 mercenary foot; by Diodorus as 10,000 cavalry, and 100,000 infantry; by Justin even at 600,000. The numbers of Arrian are the more credible; in those of Diodorus, the total of infantry is certainly much above the truth—that of cavalry probably below it. Memnon, who was present with his sons and with his own division, earnestly dissuaded the Persian leaders from hazarding a battle. Reminding them that the Macedonians were not only much superior in infantry, but also encouraged by the leadership of Alexander—he enforced the necessity of employing their numerous
  • 34. cavalry to destroy the forage and provisions, and if necessary, even towns themselves—in order to render any considerable advance of the invading force impracticable. While keeping strictly on the defensive in Asia, he recommended that aggressive war should be carried into Macedonia; that the fleet should be brought up, a powerful land-force put aboard, and strenuous efforts made, not only to attack the vulnerable points of Alexander at home, but also to encourage active hostility against him from the Greeks and other neighbors.[182] Had this plan been energetically executed by Persian arms and money, we can hardly doubt that Antipater in Macedonia would speedily have found himself pressed by serious dangers and embarrassments, and that Alexander would have been forced to come back and protect his own dominions; perhaps prevented by the Persian fleet from bringing back his whole army. At any rate, his schemes of Asiatic invasion must for the time have been suspended. But he was rescued from this dilemma by the ignorance, pride, and pecuniary interests of the Persian leaders. Unable to appreciate Alexander’s military superiority, and conscious at the same time of their own personal bravery, they repudiated the proposition of retreat as dishonorable, insinuating that Memnon desired to prolong the war in order to exalt his own importance in the eyes of Darius. This sentiment of military dignity was farther strengthened by the fact, that the Persian military leaders, deriving all their revenues from the land, would have been impoverished by destroying the landed produce. Arsites, in whose territory the army stood, and upon whom the scheme would first take effect, haughtily announced that he would not permit a single house in it to be burnt.[183] Occupying the same satrapy as Pharnabazus had possessed sixty years before, he felt that he would be reduced to the same straits as Pharnabazus under the pressure of Agesilaus—“of not being able to procure a dinner in his own country”.[184] The proposition of Memnon was rejected, and it was resolved to await the arrival of Alexander on the banks of the river Granikus.
  • 35. This unimportant stream, commemorated in the Iliad, and immortalized by its association with the name of Alexander, takes its rise from one of the heights of Mount Ida near Skêpsis,[185] and flows northward into the Propontis, which it reaches at a point somewhat east of the Greek town of Parium. It is of no great depth: near the point where the Persians encamped, it seems to have been fordable in many places; but its right bank was somewhat high and steep, thus offering obstruction to an enemy’s attack. The Persians, marching forward from Zeleia, took up a position near the eastern side of the Granikus, where the last declivities of Mount Ida descend into the plain of Adrasteia, a Greek city situated between Priapus and Parium.[186] Meanwhile Alexander marched onward towards this position, from Arisbê (where he had reviewed his army)—on the first day to Perkôtê, on the second to the river Praktius, on the third to Hermôtus; receiving on his way the spontaneous surrender of the town of Priapus. Aware that the enemy was not far distant, he threw out in advance a body of scouts under Amyntas, consisting of four squadrons of light cavalry and one of the heavy Macedonian (Companion) cavalry. From Hermôtus (the fourth day from Arisbê) he marched direct towards the Granikus, in careful order, with his main phalanx in double files, his cavalry on each wing, and the baggage in the rear. On approaching the river, he made his dispositions for immediate attack, though Parmenio advised waiting until the next morning. Knowing well, like Memnon on the other side, that the chances of a pitched battle were all against the Persians, he resolved to leave them no opportunity of decamping during the night. In Alexander’s array, the phalanx or heavy infantry formed the central body. The six Taxeis or divisions, of which it consisted, were commanded (reckoning from right to left) by Perdikkas, Kœnus, Amyntas son of Andromenes, Philippus, Meleager, and Kraterus.[187] Immediately on the right of the phalanx, were the hypaspistæ, or light infantry, under Nikanor son of Parmenio—then the light horse
  • 36. or lancers, the Pæonians, and the Apolloniate squadron of Companion-cavalry commanded by the Ilarch Sokrates, all under Amyntas son of Arrhibæus—lastly the full body of Companion- cavalry, the bowmen, and the Agrianian darters, all under Philôtas (son of Parmenio), whose division formed the extreme right.[188] The left flank of the phalanx was in like manner protected by three distinct divisions of cavalry or lighter troops—first, by the Thracians, under Agathon—next, by the cavalry of the allies, under Philippus, son of Menelaus—lastly, by the Thessalian cavalry, under Kallas, whose division formed the extreme left. Alexander himself took the command of the right, giving that of the left to Parmenio; by right and left are meant the two halves of the army, each of them including three Taxeis or divisions of the phalanx with the cavalry on its flank—for there was no recognized centre under a distinct command. On the other side of the Granikus, the Persian cavalry lined the bank. The Medes and Baktrians were on their right, under Rheomithres—the Paphlagonians and Hyrkanians in the centre, under Arsites and Spithridates—on the left were Memnon and Arsamenes, with their divisions.[189] The Persian infantry, both Asiatic and Grecian, were kept back in reserve; the cavalry alone being relied upon to dispute the passage of the river. In this array, both parties remained for some time, watching each other in anxious silence.[190] There being no firing or smoke, as with modern armies, all the details on each side were clearly visible to the other; so that the Persians easily recognized Alexander himself on the Macedonian right from the splendor of his armor and military costume, as well as from the respectful demeanor of those around him. Their principal leaders accordingly thronged to their own left, which they reinforced with the main strength of their cavalry, in order to oppose him personally. Presently he addressed a few words of encouragement to the troops, and gave the order for advance. He directed the first attack to be made by the squadron of Companion- cavalry whose turn it was on that day to take the lead—(the squadron of Apollonia, of which Sokrates was captain—commanded on this day by Ptolemæus son of Philippus) supported by the light
  • 37. horse or Lancers, the Pæonian darters (infantry), and one division of regularly armed infantry, seemingly hypaspistæ.[191] He then himself entered the river, at the head of the right half of the army, cavalry and infantry, which advanced under sound of trumpets and with the usual war-shouts. As the occasional depths of water prevented a straightforward march with one uniform line, the Macedonians slanted their course suitably to the fordable spaces; keeping their front extended so as to approach the opposite bank as much as possible in line, and not in separate columns with flanks exposed to the Persian cavalry.[192] Not merely the right under Alexander, but also the left under Parmenio, advanced and crossed in the same movement and under the like precautions. The foremost detachment under Ptolemy and Amyntas, on reaching the opposite bank, encountered a strenuous resistance, concentrated as it was here upon one point. They found Memnon and his sons with the best of the Persian cavalry immediately in their front; some on the summit of the bank, from whence they hurled down their javelins—others down at the water’s-edge, so as to come to closer quarters. The Macedonians tried every effort to make good their landing, and push their way by main force through the Persian horse, but in vain. Having both lower ground and insecure footing, they could make no impression, but were thrust back with some loss, and retired upon the main body which Alexander was now bringing across. On his approaching the shore, the same struggle was renewed around his person with increased fervor on both sides. He was himself among the foremost, and all near him were animated by his example. The horsemen on both sides became jammed together, and the contest was one of physical force and pressure by man and horse; but the Macedonians had a great advantage in being accustomed to the use of the strong close- fighting pike, while the Persian weapon was the missile javelin. At length the resistance was surmounted, and Alexander with those around him, gradually thrusting back the defenders, made good their way up the high bank to the level ground. At other points the resistance was not equally vigorous. The left and centre of the
  • 38. Macedonians, crossing at the same time on all practicable spaces along the whole line, overpowered the Persians stationed on the slope, and got up to the level ground with comparative facility.[193] Indeed no cavalry could possibly stand on the bank to offer opposition to the phalanx with its array of long pikes, wherever this could reach the ascent in any continuous front. The easy crossing of the Macedonians at other points helped to constrain those Persians, who were contending with Alexander himself on the slope, to recede to the level ground above. Here again, as at the water’s edge, Alexander was foremost in personal conflict. His pike having been broken, he turned to a soldier near him—Aretis, one of the horseguards who generally aided him in mounting his horse—and asked for another. But this man, having broken his pike also, showed the fragment to Alexander, requesting him to ask some one else; upon which the Corinthian Demaratus, one of the Companion-cavalry close at hand, gave him his weapon instead. Thus armed anew, Alexander spurred his horse forward against Mithridates (son-in-law of Darius), who was bringing up a column of cavalry to attack him, but was himself considerably in advance of it. Alexander thrust his pike into the face of Mithridates, and laid him prostrate on the ground: he then turned to another of the Persian leaders, Rhœsakes, who struck him a blow on the head with his scymetar, knocked off a portion of his helmet, but did not penetrate beyond. Alexander avenged this blow by thrusting Rhœsakes through the body with his pike.[194] Meanwhile a third Persian leader, Spithridates, was actually close behind Alexander, with hand and scymetar uplifted to cut him down. At this critical moment, Kleitus son of Dropides—one of the ancient officers of Philip, high in the Macedonian service—struck with full force at the uplifted arm of Spithridates and severed it from the body, thus preserving Alexander’s life. Other leading Persians, kinsmen of Spithridates, rushed desperately on Alexander, who received many blows on his armor, and was in much danger. But the efforts of his companions near were redoubled, both to defend his person and to second his adventurous daring. It was on that point that the Persian
  • 39. cavalry was first broken. On the left of the Macedonian line, the Thessalian cavalry also fought with vigor and success;[195] and the light-armed foot, intermingled with Alexander’s cavalry generally, did great damage to the enemy. The rout of the Persian cavalry, once begun, speedily became general. They fled in all directions, pursued by the Macedonians. But Alexander and his officers soon checked this ardor of pursuit, calling back their cavalry to complete his victory. The Persian infantry, Asiatics as well as Greeks, had remained without movement or orders, looking on the cavalry battle which had just disastrously terminated. To them Alexander immediately turned his attention.[196] He brought up his phalanx and hypaspistæ to attack them in front, while his cavalry assailed on all sides their unprotected flanks and rear; he himself charged with the cavalry, and had a horse killed under him. His infantry alone was more numerous than they, so that against such odds the result could hardly be doubtful. The greater part of these mercenaries, after a valiant resistance, were cut to pieces on the field. We are told that none escaped, except 2000 made prisoners, and some who remained concealed in the field among the dead bodies.[197] In this complete and signal defeat, the loss of the Persian cavalry was not very serious in mere number—for only 1000 of them were slain. But the slaughter of the leading Persians, who had exposed themselves with extreme bravery in the personal conflict against Alexander, was terrible. There were slain not only Mithridates, Rhœsakes, and Spithridates, whose names have been already mentioned,—but also Pharnakes, brother-in-law of Darius, Mithrobarzanes satrap of Kappadokia, Atizyes, Niphates, Petines, and others; all Persians of rank and consequence. Arsites, the satrap of Phrygia, whose rashness had mainly caused the rejection of Memnon’s advice, escaped from the field, but died shortly afterwards by his own hand, from anguish and humiliation.[198] The Persian or Perso-Grecian infantry, though probably more of them individually escaped than is implied in Arrian’s account, was as a body
  • 40. irretrievably ruined. No force was either left in the field, or could be afterwards reassembled in Asia Minor. The loss on the side of Alexander is said to have been very small. Twenty-five of the Companion-cavalry, belonging to the division under Ptolemy and Amyntas, were slain in the first unsuccessful attempt to pass the river. Of the other cavalry, sixty in all were slain; of the infantry, thirty. This is given to us as the entire loss on the side of Alexander.[199] It is only the number of killed; that of the wounded is not stated; but assuming it to be ten times the number of killed, the total of both together will be 1265.[200] If this be correct, the resistance of the Persian cavalry, except near that point where Alexander himself and the Persian chiefs came into conflict, cannot have been either serious or long protracted. But when we add farther the contest with the infantry, the smallness of the total assigned for Macedonian killed and wounded will appear still more surprising. The total of the Persian infantry is stated at nearly 20,000, most part of them Greek mercenaries. Of these only 2000 were made prisoners; nearly all the rest (according to Arrian) were slain. Now the Greek mercenaries were well armed, and not likely to let themselves be slain with impunity; moreover Plutarch expressly affirms that they resisted with desperate valor, and that most of the Macedonian loss was incurred in the conflict against them. It is not easy therefore to comprehend how the total number of slain can be brought within the statement of Arrian.[201] After the victory, Alexander manifested the greatest solicitude for his wounded soldiers, whom he visited and consoled in person. Of the twenty-five Companions slain, he caused brazen statues, by Lysippus, to be erected at Dium in Macedonia, where they were still standing in the time of Arrian. To the surviving relatives of all the slain he also granted immunity from taxation and from personal service. The dead bodies were honorably buried, those of the enemy as well as of his own soldiers. The two thousand Greeks in the Persian service who had become his prisoners, were put in chains, and transported to Macedonia, there to work as slaves; to which
  • 41. treatment Alexander condemned them on the ground that they had taken arms on behalf of the foreigner against Greece, in contravention of the general vote passed by the synod at Corinth. At the same time, he sent to Athens three hundred panoplies selected from the spoil, to be dedicated to Athênê in the acropolis with this inscription—“Alexander son of Philip, and the Greeks, except the Lacedæmonians (present these offerings), out of the spoils of the foreigners inhabiting Asia.”[202] Though the vote to which Alexander appealed represented no existing Grecian aspiration, and granted only a sanction which could not be safely refused, yet he found satisfaction in clothing his own self-aggrandizing impulse under the name of a supposed Pan-hellenic purpose: which was at the same time useful, as strengthening his hold upon the Greeks, who were the only persons competent, either as officers or soldiers, to uphold the Persian empire against him. His conquests were the extinction of genuine Hellenism, though they diffused an exterior varnish of it, and especially the Greek language, over much of the Oriental world. True Grecian interests lay more on the side of Darius than of Alexander. The battle of the Granikus, brought on by Arsites and the other satraps contrary to the advice of Memnon, was moreover so unskilfully fought by them, that the gallantry of their infantry, the most formidable corps of Greeks that had ever been in the Persian service, was rendered of little use. The battle, properly speaking, was fought only by the Persian cavalry;[203] the infantry was left to be surrounded and destroyed afterwards. No victory could be more decisive or terror-striking than that of Alexander. There remained no force in the field to oppose him. The impression made by so great a public catastrophe was enhanced by two accompanying circumstances; first, by the number of Persian grandees who perished, realizing almost the wailings of Atossa, Xerxes, and the Chorus, in the Persæ of Æschylus,[204] after the battle of Salamis—next, by the chivalrous and successful prowess of Alexander himself, who, emulating the Homeric Achilles, not only
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