Why did pope gregory vii and henry iv come into conflict?

does anybody know what the answer is... heres the choices.

A. The pope claimed the authority to remove the emperor from the throne.

B. The pope named a different emperor to replace Henry.

C. Henry's land was seized by the pope.

D. Henry tried to remove the pope from power.

answer: false. due to the church's swaying authority on common law, it influenced secular music greatly.

explanation:

answer; professor;