What was augustus's greatest contribution to roman society

Augustus created a system of government that survived for centuries. This is his greatest contribution because this gives Rome a stable empire to live on for a very long time. but this is an opinion

Augustus was a Roman emperor who changed the Roman empire from being a democracy into a monarchy again. This is seen as his greatest contribution. Augustus ruled for nearly fifty years. He reinstated some of the ancient traditions, built many monuments, as well as advanced the cultural aspects of the Roman empire. Many influential Latin writers developed their styles during this period. It is believed that the  Pantheon was built during his reign. He rebuilt the city of Rome. The Roma

You would be correct d is your answer