After the russian revolution of 1917, became leader of russia. a. leon trotskyb. karl marxc. vladimir lenind. joseph stalin

C. Vladimir Lenin.

Explanation:

Vladimir Lenin was the Russian communist revolutionary who presented as the head of government from 1917-1924 of the Bolshevik party(Soviet Russia). The imperial rule and tyranny of the Romanov dynasty came to an end after the Russian Revolution with Lenin becoming the leader of the Soviet Union. He operated to overthrow the provisional government and set up the communist rule and finally in 1917, Bolshevik(his party) seized the government and claimed Soviet rule which was the world's first communist rule and established Russia as world's first communist state.

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