The socialist group called the Bolshevicks lead the final stage of the Russian Revolution and followed the teachings of D) Karl Marx.
Karl Marx was a German philosopher, sociologist and economist born in 1818. He was the Father of communism, the theory that claims that private property should be replaced by a central plan where means of production, transportation, land, etc. are owned in common and managed for the public good.
Although Karl Marx always pointed out the importance of democracy in his system, the Bolshevik Revolution of 1917, led by Vladimir Lenin, seized power and set up a government for the proletariat, based on Marx’s ideas.