13. use this diagram to answer the following question.
which of the following belongs only in the byzantine section of the chart?
a. emperor shared political authority with the general population.
b. highest political authority was democratically elected.
c. highest political and religious authorities were the same person.
d. political authority was held by a triumvirate of consuls.

C. Highest political and religious authorities were the same person. 

In the Byzantine Empire, there was no separation of church and state. The leader was in charge of both the political affairs and religion. The emperor led political affairs from Constantinople. The Christian Church was broken into 5 major patriarchies and a leader was chosen in each city. The emperor was the religious leader in Constantinople. 

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