The Roman Empire

A group of five marble busts of typical early Roman citizens. The empire expanded by absorbing the peoples it defeated, giving rights and obligations to former outsiders. (Photo by Gjon Mili/The LIFE Picture Collection/Getty Images)

Mary Beard on why Rome ruled the world. This is a premium piece of content available to subscribed users.

Life of the Week: Romulus Augustus

A detail of a fresco of Hannibal riding his elephant. It is estimated he took as many as 40 elephants when he marched an army across the Alps and into northern Italy. (Photo by Photo12/UIG/Getty Images)

Q&AHow many elephants did Hannibal take over the Alps?