Question

looking at both eastern and western europe, what were some of the main reasons many additional people converted to christianity in the postclassical period?

Answer 1

One was anchored in the Byzantine Empire, which straddled western Asia and southeastern Europe and sponsored the spread of Orthodox Christianity to eastern Europe. The other was defined above all by the beliefs and institutions of Catholicism in western and central Europe. These Empires were the Byzantine and Sassanid Empires.

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