1. Medieval European society was organized into a feudal system following invasions in the 9th-11th centuries. Kings granted land to nobles who then protected peasants on that land.
2. The feudal system was based on a hierarchy of obligations where peasants pledged allegiance to local lords in exchange for protection, and lords pledged to the king in exchange for land. This created interlocking bonds of loyalty throughout society.
3. Medieval society was divided into estates of nobles, clergy, and workers. Nobles fought as knights and defended the people. Clergy prayed for spiritual salvation and managed church lands and monasteries. Peasants and craftsmen produced food and goods