What was the most significant consequence of the Russian Revolution of 1917?
A. The Bolsheviks under Lenin seized power and instituted a Communist government that lasted more than seventy years.
B. Stalin and the Mensheviks drove the czar from power and set up a moderate provisional government that lasted only a short time.
C. Kerensky and the Red Army took control of the government and set up a dictatorship that created famine throughout the country.
D. The supporters of Czar Nicholas ...