| A | B |
|---|
| republic | a government in which the leader is voted into office |
| patrician | member of Rome's powerful families |
| plebeian | poor farmer or shopkeeper of ancient Rome |
| consul | an elected leader of ancient Rome |
| civil war | a war between groups within a country |
| double bar graph | a graph that compares information with parallel rectangles |
| Pax Romana | a period of peace under the Roman Empire between 27 B.C. and A.D. 180 |
| census | a count of every person living in a country |
| aqueduct | a bridge-like structure that carries water to cities |
| inflation | period when prices shoot upward |
