Ancient Rome was located on the Italian peninsula along the Tiber River, situated on seven hills which provided strategic advantages. The Roman Republic was established in 509 BC after Romans overthrew their Etruscan rulers. Power was shared between the patrician nobility and the plebeians, though plebeians gained more rights over time. Rome expanded through conquest of Italy and the Mediterranean region, destroying the rival city of Carthage. Internal conflicts emerged between those wishing to maintain the status quo and those pushing for reforms as wealth inequality grew.