In Zwingli's theory, church and state are one under the sovereign government of God, from his point of view, as the government was ordained by God Christians are obliged to obey, regardless of whether the government is good or bad because of both came from God.
On the other hand, Calvin appreciated the advantages of democracy, he suggested separating the state among different institutions in a system of checks and balances in order to reduce the misuse of political power.
Answer:
Excommunication to the Hagia Sohpia
Explanation:
The threat of excommunication used by the Pope to hold his power over the Eastern Church. The Pope delivers a Bull of Excommunication to the Hagia Sophia because of its religious practices. The Western Church used Images of crucifixes, Mary, and saints where the Eastern Church forbid image. The opposition in the churches led to excommunicated between Eastern patriarch and Pope Leo IX.