What role did the Catholic Church play in European feudalism?

A.
The Church created schools for children of all backgrounds.

B.
The Church often fought for peasants to have more of a say in government.

C.
The Church made sure that peasants were receiving fair pay from their lords.

D.
The Church owned some fiefs and made a profit off of them.

D. The Church owned some fiefs and made a profit off of them.