Carthage was a self-governing city-state. Eventually it was conquered by Rome.
Rome and Carthage
Rome and Carthage fought each other for the control of the Mediterranean trade. Whoever controlled the trade routs, controlled the wealth.
Rome against Carthage, on the island of Sicily
Please specify which empires you are referring to.
A group of lands under one rule are called an empire. Empires are groups of countries that are controlled by one government.
Rome and Carthage (which was in present day Tunisia, just below Italy).
Rome and Carthage
ottoman empire controlled Iraq in the 1800's
The three largest empires in west Africa in 400 BC were the Askumite Empire. Carthage, and the Egyptian empire. All flourished well.
Gaul
Modern Turkey was controlled by a combination of Seljuk Turks and Byzantines.
the British Empire