For some centuries the internal history of Rome was the story of a long and obstinate struggle for freedom and a share in the government on the part of the plebeians. It would not be difficult to find Greek parallels to this conflict, which the Greeks would have called a conflict of aristocracy with democracy. In the end the plebeians broke down most of the exclusive barriers of the old families and established a working equality with them. They destroyed the old exclusiveness, and made it possible and acceptable for Rome to extend her citizenship by the inclusion of more and more “outsiders.” For while she still struggled at home, she was extending her power abroad.
The extension of Roman power began in the fifth century B.C. Until that time they had waged war, and generally unsuccessful war, with the Etruscans. There was an Etruscan fort, Veii, only a few miles from Rome