Answer:
Provide personal and military service to the king
Step-by-step 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.