I'd say pollution or disease.
Answer: B, the fight for power resulted in a three-year civil war.
Explanation:
The Tsar and his family were executed, never left for Germany.
The Treaty of Brest-Litovsk was no longer valid after the Central Powers surrendered in 1918.
The White Army was a anti-bolshevik military dictatorship.
So that leaves B.
Answer:
The Second World War had devastating consequences for Europe. The human losses were extremely severe, and people were shocked to discover the atrocities perpetrated by the Nazi regime. The economies of several European countries were left in tatters: industrial and agricultural infrastructures had been destroyed, towns and cities had been razed to the ground by bombing raids, means of communication had been damaged and there were shortages of foodstuffs.
Answer: Harriet Beecher Stowe.
Explanation: Uncle Tom's Cabin; or, Life Among the Lowly, is an anti-slavery novel by American author Harriet Beecher Stowe. ... The sentimental novel depicts the reality of slavery while also asserting that Christian love can overcome something as destructive as enslavement of fellow human beings.
