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