| A | B |
| Feudalism | the economic and political system that developed in Europe during the Middle ages |
| Hierarchy | a system of organizing people into ranks, with those of higher rank having more power and privileges |
| Fief | land granted by a lord to a vassal in exchange for loyalty and service |
| Vassal | a knight who promised to support a lord in exchange for land |
| Monarch | a ruler (such as a king or queen) |
| Divine Right of Kings | the belief that God gives monarchs the right to rule |
| Lord | a ruler or a powerful landowner |
| Knight | an armed warrior |
| Armor | a covering, usually made of metal or leather, worn to protect the body during fighting |
| Manor | a large estate held by a lord (includes farmland and villages) |
| Self-sufficient | able to supply one’s own needs; the residents of a medieval manor were self-sufficient |
| Castle | a fortified, usually walled residence, as of a prince or noble in feudal times |
| Moat | a deep wide, ditch, often filled with water |