Which Punic War did Hamilcar Barca fight in?

Hamilcar commanded the Carthaginian land forces in Sicily from 247   BC to 241   BC, during the latter stages of the First Punic War. He kept his army intact and led a successful guerrilla war against the Romans in Sicily. Hamilcar retired to Carthage after the peace treaty in 241   BC, following the defeat of Carthage.

Explanation:

the tallest building in the western hemisphere and the sixth tallest building in the world

after defeating german forces in north africa allied leaders turned their attention to "italy," since this was the location that made the most geographic sense before invading northern europe via france.