| A | B |
| Classical | Relating to the ancient Greek and Roman world. |
| Polis | Greek term for "city-state". |
| Democracy | Government in which leaders rule with consent of the citizens. |
| Republic | Strong national government headed by elected leaders. |
| Consul | Elected chief official of the Roman Republic. |
| Emporer | Absolute ruler of an empire. |
| Pope | Head of the Roman Catholic Church |
| Missionary | Person who spreads religious views. |
| Common Law | Unwritten set of laws based on local customs. |
| Feudalism | Political and social system in which a lord gave land to a noble to work, govern, and defend, in return for the noble's loyalty. |
| Vassal | Noble in medieval society who swore loyalty to a lord in return for land. |
| Manor | Feudal estate made up of a manor or house or castle and land. |
| Serf | Farm laborer who could be bought and sold along with the land. |
| Guild | Medieval workers' organization. |
| Charter | Written agreement guaranteeing privileges and freedoms. |
| Indulgences | Pardons for sins, given or sold by the Catholic Church. |
| Revolution | Great and often violent change. |
| Divine Rights of Kings | Belief that royalty ruled by the will of God. |