The knights were considered to be the group of vassals in the feudal system practiced in the country of Europe.
Option C is the correct answer.
What is the feudal system?
The feudal system included certain groups of people like the prince, noble person, and the tenants.
Knights were one of the groups that safeguarded their kings from every tyrannical act and in return, they got land areas and shelter to live. They were the second person who followed the direction provided by their feudal lord.
Therefore, the vassal group was the one from which the knights belonged in the feudalism approach.
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