Answer:
Option: A) The Russian Empire retained the Eastern Orthodox religion of the Byzantine Empire.
Step-by-step explanation:
Pope Paul II helped to arrange the marriage between Ivan III and Sophia Palaiologina in the hope of restoring the influence of the Catholic Church in Russia. Russia adopted the religion of Eastern orthodox after the arrival of the Byzantine monks Saint Cyril and Saint Methodius. Immediately after Sophia wedding, she converted her faith to her ancestors, Eastern Orthodox. Ivan III agreed to marry her because of her to status and rights as a princess in Constantinople.