Some reasons that caused Russia to become communist

In Russia, efforts to build communism began after Tsar Nicholas II lost his power during the February Revolution, which started in 1917, and ended with the dissolution of the USSR in 1991.

Explanation:

Communism (from Latin communis, 'common, universal')[1][2] is a philosophical, social, political, and economic ideology and movement whose ultimate goal is the establishment of a communist society, namely a socioeconomic order structured upon the ideas of common ownership of the means of production and the absence of social classes, money,[3][4] and the state.[5][6] As such, communism is a specific form of socialism.

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answer: i think it might be the last one

explanation: