The correct option is B
Roman conquest or conquest of Rome are historiographical designations of the different conquests by the Ancient Rome of each of the territories that formed the Roman Empire. Particularly, in the western half of the Empire, the conquest followed the Romanisation of the so-called pre-Roman peoples. In order to carry out the territorial development of the empire, they had to fight many wars and battles between them, the most important, the Punic wars, which gave total and definitive control of the Mediterranean.