Complex sentence: During the following centuries the city was ruled by the Punics and then by the Romans who raised it for a short time in the capital of the province of Corsica et Sardinia, and then they gave the charge to the nearby Caralis (modern Cagliari).
Split into simpler sentences: During the following centuries the city was ruled by the Punics and then by the Romans. The latter raised it for a short time in the capital of the province of Corsica et Sardinia and then gave the charge to the nearby Caralis (modern Cagliari).