Meanwhile, Rome was gaining power, following a rebellion against the Etruscans. During the three Punic Wars, the Romans defeated the neighboring power of Carthage. The First Punic War centered on naval warfare. The Second Punic War started with Hannibal's invasion of Italy by crossing the Alps. He famously won the encirclement at the Battle of Cannae. However, after Scipio invaded Carthage, Hannibal was forced to follow and was defeated at the Battle of Zama, ending the role of Carthage as a power.