Which best describes why a manor in the early middle ages was self-sufficient?
a. housing was plentiful for all classes of people.
b. a variety of crops provided the necessary food.
c. baking and maintenance work were done on the premises.
d. the manor castle had walls, which could protect the residents.

"A variety of crops provided the necessary food" is the one among the following choices given in the question that best describes why a manor in the early Middle Ages was self-sufficient. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer helped you.