1. The document provides background information on early Greek civilization, including important places like Mycenae and Crete, and people like King Agamemnon.
2. Geography divided the Greeks, with mountains and seas separating city-states. The Minoan civilization may have fallen due to earthquakes and tsunamis or conquest by the Mycenaeans.
3. After the collapse of Mycenaean civilization around 1100 BCE, Greece entered a "Dark Age" characterized by population shifts, lost knowledge of writing, and a simpler lifestyle.