Answer:
Christian unity ended in western Europe. Who broke from the Roman Catholic Church so he could remarry and became the head of a new Protestant church in his country
Explanation:
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Economically, widespread inflation and food shortages in Russia contributed to the revolution. Militarily, inadequate supplies, logistics, and weaponry led to heavy losses that the Russians suffered during World War I; this further weakened Russia's view of Nicholas II.
C or D it depends on how you read it