1. Rome was built on seven hills with the main hill being the Palatino. The Roman Republic dominated Italy and the surrounding Mediterranean region.
2. Rome expanded through military conquests like the Punic Wars against Carthage, and by requiring defeated countries to become allies that provided troops and resources to Rome.
3. Key aspects of Roman civilization included the Forum for government and social gatherings, the Colosseum for entertainment, and aqueducts and roads that improved infrastructure, trade, and military mobility.