| A | B |
|---|
| feudalism | a system of landholding in exchange for military service |
| vassal | in the feudal system a person who owes military service in exchange for land |
| knight | a heavily armed mounted soldier; a cavalier |
| fief | the land held by a vassal |
| chivalry | a code of conduct for knights |
| manor | an landed estate of Europe in the Middle Ages |
| serf | laborer who was bound to the land under the feudal system |
| bourgeoisie | the urban middle class of medieval European cities |
| Estates General | French assembly with three different classes of citizens |
| Magna Carta | a document that laid out the rights of nobles against the power of the king |
| parliament | legislative body that began as an advisory body of nobles in England |
| sacrament | a religious ceremony of the Catholic church |
| interdict | the exclusion of a region from the sacraments |
| lay investiture | the appointment of bishops by kings |
| heresy | belief contrary to orthodox religious doctrine |
| relic | holy artifact |
| crusade | a military expedition to conquer Jerusalem for Christianity |
| infidel | an unbeliever |
