| A | B |
| Aqueducts | Channel for carrying water over a series of raised arched structures; widely used in the Roman Empire. |
| Barbarian | Term used by Ancient Greeks and Romans to describe a foreigner. |
| Augustus Caesar | (63 B.C.E.--14 C.E.) First emperor of Rome; attained sole power after defeat of Mark Anthony; reformed administration and promoted culture. |
| Julius Caesar | (100?--44 B.C.E.) General and statesman who ruled as dictator of Roman Republic; moved the capital from Rome to Byzantium. |
| Constantine | (280?--337 C.E.) Roman emperor who made Christianity the empire's official religion; moved the capital from Rome to Byzantium. |
| Consul | Top-level official in the government of Ancient Rome. |
| Diocletian | (245--313 C.E.) Roman emperor who divided the empire into four regions; persecuted Christians. |
| Hannibal | Carthaginian general who fought the Second Punic War against Rome. |
| Patrician | A member of an old noble family in Ancient Rome. |
| Pax Romana | (27 B.C.E.--180 C.E.) The peace brought by Ancient Rome to the lands it ruled. |
| Persecute | To cause to suffer because of belief. |
| Plebeian | A member of the lower class is Ancient Rome. |
| Republic | A form of government in which citizens elect their leaders. |