Early History of Rome - Wars under the Kings - Their Results - Gradual Subjection of Italy - Great Heroes of the Republic - Their Virtues and Victories - Military Aggrandizement - The Carthaginian, Macedonian, and Asiatic Wars - Their Consequences - Civil Wars of Marius and Sulla, of Pompey and Caesar - The Conquests of the Barbarians - Extension of Roman Dominion in the East - Conquests of the Emperors - The Military Forces of the Empire - Military Science - The Roman Legion - The Military Genius of the Romans