Question

Rome secured dominance over the Western Meditrranean by wining the Punic Wars.

Answer 1

"The first Punic War broke out in 264 B.C. when Rome interfered in a dispute on the Carthaginian-controlled island of Sicily; the war ended with Rome in control of both Sicily and Corsica and marked the empire's emergence as a naval as well as a land power.
http://www.history.com/topics/ancient-history/punic-wars

Answer 2

thanks :)