Answer:
Russian Revolution of 1917
Explanation:
The Soviet Union had its origins in the Russian Revolution of 1917. Radical leftist revolutionaries overthrew Russia’s Czar Nicholas II, ending centuries of Romanov rule. The Bolsheviks established a socialist state in the territory that was once the Russian Empire. A long and bloody civil war followed.
Answer:
The Soviet Union, officially the Union of Soviet Socialist Republics (USSR), was a communist state that spanned Eurasia from 1922 to 1991. It was nominally a federal union of multiple national republics; in practice, its government and economy were highly centralized until its final years.
Explanation:
