Here are the answers to your questions regarding feudalism and the manorial system:
Question 1
Answer: an oath of loyalty and a pledge of military service.
Question 2
Answer: the economic ties between the nobles and the peasants who worked on their lands.
Question 3
Answer: feudalism.
Question 4
Answer: Peasants were supported by their lords.
Question 5
Answer: Most people lived in small farming communities.
Question 6
Answer: a local government.
Question 7
Answer: an arrangement that allowed peasants to use land in exchange for service to a nobleman.
Question 8
Answer: it was a response to invasions by groups such as the Magyars.
Question 9
Answer: to have a place to live.
Question 10
Answer: the estate that was granted to the vassal.
Feel free to ask if you need further explanations or additional information!