Step-by-step explanation:
Identify part: Christianity in both Byzantium and Kievan Rus
Explanation: The prince of Kievan Rus at the time was looking for a way to unify his people and the Greek Orthodox religion of Byzantium presented a great opportunity to instill a common identity. The religion increased relations between the Byzantine Empire and Kievan Rus, which gave Rus a strategic advantage because it increased trade due to a river that connected the two lands. The political application is the way the governments used religion to unite and rule over their people to their advantage.
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