| A | B |
| Feudalism | The economic and political system that developed in Europe during the middle ages. |
| Lord | a ruler or a powerful landowner |
| Knight | an armed warrior |
| Peasant | is feudalism, person who worked the land |
| Serf | a person who is bound to the land exchange for protection |
| Clovis | a young ambitious warrior who at the age of 15 became king of the Franks |
| Charlemagne | A Holy Roman emperor |
| Fief | Land granted by a lord to a vassal in exchange for loyalty and service. |
| Crusades | a series of religious wars launched against Muslims by European Christians |
| Black death | A deadly contagious disease caused by bacteria and spread by fleas. |