2. To fulfill their duties to a Lord or a King - Vassals could serve as Knights, or

A.
provide a portion of their crops.

B.
hire knights to serve their lord in their place.

C.
perform peacetime civil services.

D.
serve the church as a member of the clergy.

1. what was william harvey's discovery about the human body? @ two types of blood flowed through the veins and arteries. b four fluids existed in the body: blood, yellow bile, black bile, and phlegm. © the same blood flowed through the veins and arteries. d ancient ideas of human anatomy and bodily functions were wrong. done