Final War of the Roman Republic Also known as Anthony's civil war, a civil war in the final days of the Roman Republic. A war between Cleopatra and state circulation after the war ended. State issued a circular to bring peace to the Roman state, which was in a state of civil war a century Viking who became the most powerful individual in the Roman world. And the Council's Cabinet has appointed him as the Emperor Augustus in 27 BC. He was the first Roman emperor himself. And changed the form of government in the Republic of oligarchy / democracy. The Roman Empire The concept of power.