| Term | Definition |
| republic | A government where citizens who have the right to vote select their leaders. |
| patrician | A wealthy citizen in the Roman republic. |
| plebeian | An ordinary citizen in Roman republic. |
| senate | Most powerful part of the government |
| consuls | Two elected officials who led the Roman republic. |
| veto | The rejection of any planned action by a person in power. |
| dictator | A person appointed to rule for six months in times of an emergency and had all the power of the king. |
| Pax Romana | A time of peace and prosperity in the the Roman empire. |
| province | A territory controlled by Rome and ruled by a Roman government. |
| census | An official count of people living in a place. |
| insulae | Small five story apartment buildings that the more humble class lived in. |
| persecute | To repeatedly treat people in a a harsh or cruel way. |
| martyr | A person who chooses to die rather than give up his/her beliefs. |