Answer:
4. claimed to be both Roman emperor and pope
Explanation:
The term designates a political system seen in the Eastern Roman Empire. The Byzantine emperor was both the head of the state and head of the Church. He was the supreme authority in religious affairs. Nevertheless, the concept of caesaropapism is largely inaccurate; many current scholars estimate that nothing in the Byzantine Orthodox doctrine states that the emperor was infallible (like the Roman pope, according to Catholic dogma).
It's either A or D
I'm not sure sorry
It was all the fashion rage at the time. ALL men had to be clean shaven
if they weren't then they were shaved by force.