What was the primary source of learning and education in the Medieval era? What was the center of European social life?

What did knights usually receive in exchange for fighting for a king or a noble?

The main objective of education during the medieval period was the spread of knowledge and the propagation of Islam. ... The purpose of the education system was to make people religious minded

Loyseau describes three orders, based on their social function: the first estate, or clergy, who pray for the souls of the others; the second estate, the nobility, who protect the others from violence; and the third estate, or peasantry, who work to provide food for everyone.

The higher nobles grant the vassals their portions of land (fiefs) in return for their loyalty, protection, and service. The nobles also provided their knights with necessities, such as lodging, food, armour, weapons, horses, and money.

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