How did Kievan Rus develop in the 9th century and in what ways was it influenced by the Byzantine Empire instead of Western Europe?

Viking Oleg was the founder.

Explanation:

Viking Oleg was the founder of Kievan Rus who established the empire in 9th century. The Kievan Rus was a powerful empire which is founded around the city of Kiev during the Middle Ages. Kievan Rus influenced by the Byzantine Empire instead of Western Europe because the Rus was dependent on  Byzantine Empire for their existence in the region and they have the artery of trade which connects the Rus with the  Byzantine Empire.

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.