: medieval government system based on the bond between a lord and his vassal.
Fief: the land a lord lent to his vassal.
Nobles: the most important lords that served under a kind
Pledge fealty: to swear loyalty
Knights: vassals who became milirary specialists
Manorial system: system in which lords provided security to their serfs in return for their services.
Manor: large piece of adjoining land.
Domain: Large farmhouse where the lord lived.
Serfs: servants who depended entirely on their lord and were not allowed to leave the domain.
Self-sufficient: when people are able to produce everything they need themselves.