Question

the name of the city of st. petersburg was changed following the russian revolution to remember a tsar who had triumphantly led russia. to celebrate the leader of the bolsheviks now in power. to honor a fallen soldier who had fought valiantly during the civil war. to recognize a general who led the red army in a three-year conflict.

Explanation:

After the Russian Revolution, St. Petersburg was renamed Petrograd in 1914, then Leningrad in 1924 to honor Vladimir Lenin, the leader of the Bolsheviks who led the revolution and became the new ruling authority. The other options do not align with the historical reason for the name change post-revolution.

Answer:

to celebrate the leader of the Bolsheviks now in power.