Answer:
C. The Byzantine Empire controlled the Eastern church.
Step-by-step explanation:
The Byzantine Empire was the expansion of the Roman Empire in the East during the Middle Ages.
In Byzantine times, the emperor had supreme authority in the Church. Byzantine named the church the Eastern Orthodox Church that plays a very important role in the life of people. The emperor makes rules on Church and religious sacraments.
Hence, the correct answer is "C. The Byzantine Empire controlled the Eastern church."