Ineed to write a paragraph about rome’s military back then

The military of ancient Rome, according to Titus Livius. One of the more illustrious historians of Rome over the centuries, was a key element in the rise of Rome over. “Above seven hundred years” from a small settlement in Latium to the capital of an empire governing a wide region around the shores of the Mediterranean. The Romans themselves said, ‘’mare nostrum’’, “our sea". Livy asserts. Roman society had already evolved an effective military and had used it to defend itself against the Etruscans, the Italics, the Greeks, the Gauls, the maritime empire of Carthage, and the Macedonian kingdoms.

the answer is b. hope this !