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.

frederick the great and the war of austrian succession. frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. he also declared himself king of bohemia, and maria theresa sent troops to retake bohemia. in august he led 80,000 of these men across the frontier into bohemia, his

the answer would be 96

step-by-step explanation: