In Marxist theory, socialism, also called by it’s name lower-stage communism is a mode of production. This refers to a phase of common economic development. The Russian Empire completely broke down because of the absence of Emperor Nicholas the second.
The old government was replaced by a provisional government during the first revolution. Which took place in February 1917. In the second revolution in October, the Provisional Government was removed and replaced with a Communist government. I think that the Russian Revolution was successful because of the Marxist Socialism. This especially helped the Russians come together and had a bigger effect