| A | B |
| taxes | Money that people pay to the government. |
| population | The number of people who live in a place. |
| barbarians | Groups of people who invaded the Roman Empire. |
| Fall of Rome | The end of the Roman Empire in A.D. 476. |
| empress | A female ruler of an empire. |
| riots | Large crowds of angry people that fight & make noise. |
| plague | A very serious sickness that spreads quickly & kills many people. |
| Rome | Capital of Italy |