What were both nobles and knights obligated to do? A. remain loyal to one another
B. protect those who lived on the manor
C. take an oath of chivalry
D. provide personal and military service to the king

Provide personal and military service to the king

Explanation:

In feudalism land donations and titles were presented in as a present for support and army service. Several nobles were considered to serve as knights, whereas more nobles were considered to preserve military authorities. Under the nobles, knights were placed and below them were the peasants.Kings preferred loyalty to the nobles and aristocrats were designated for the responsibility of the king's assurance, and farmers used to assist with the food.

c) they were beaten and fired from their jobs.

when people started to question traditional christian beliefs, they became criminals in the eyes of the church: they were accused of heresy and then, executed. the church held unbelievable power and anyone who tried to defy it or its beliefs, was demonized and persecuted.

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