The outside cultural influences affect religious diversity in Russia and the different regions of Eastern Europe because The Byzantine empire brought Eastern Orthodox Christianity to the southern Balkans, and later, the Ottomans brought Islam to the same region.
It should be noted that they were able to influenced as a result of how the Orthodox Christianity was brought to the southern Balkans.
Therefore, outside cultural influences affect religious diversity in Russia and the different regions of Eastern Europe because The Byzantine empire brought Eastern Orthodox Christianity to the southern Balkans, and later, the Ottomans brought Islam to the same region.
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