Karl Marx, a German philosopher, is known for his revolutionary political ideas during the Russian Revolution. He established the idea of ​​a “materialistic conception of history,” meaning that the way society and the economy are organized is determined by changes in material conditions. He published this thesis in his manuscript entitled The German Ideology. While writing The German Ideology, Marx also joined the Communist League, an international proletarian organization, and wrote a polemic against the idealist socialism of PJ Proudhon. Vladimir Lenin was a communist theorist and philosopher during the Russian Revolution and a serious follower of many Marxist ideals. He is remembered as one of the greatest revolutionaries in history for many reasons, primarily for having founded and led the Bolshevik Party. This contribution led to the creation of the Russian Soviet Federative Socialist Republic, which marked the beginning of the Soviet Union. Lenin later became the leader of the Union of Soviet Socialist Republics, or USSR. While in power he implemented the “New Economic Policy” and oversaw major social reforms. Joseph Stalin is known for being one of the most authoritative and brutal dictators ever. He remained in power as the supreme ruler of the Soviet Union for twenty-five years. Although he had a murderous reign, he is credited with an important role in defeating the Nazis. Stalin's rise to power began in the Bolshevik Party, where he gradually rose through the ranks. He was then granted the position of general secretary of the Communist Party, then promoted himself as a political heir, and, by the end of the 1920s, was officially known as the dictator of the Soviet Union. Leon Trotsky played an important role in t...... middle of paper ......managed to protect the Russians from the effects of the Great Depression. They have produced jobs and increased economic income. Socially, however, they were not as successful. Political prisoners were forced to work on many of these projects, the most notorious, the Belomor Canal, and as a result many people died, there was widespread shortage of consumer goods, there was a serious disruption of agricultural activity and even the deadly famine of 1932. The Great Purge was a time of excessive violence and cruelty in the Soviet Union. There had been numerous purges in Russia before under Stalin's rule, but the Great Purge is recognized in history not only for persecuting the Nepmen, kulac, clergy, and oppositionists, the most common targets, but also for imprisoning and executed Communist Party leaders and members. , members of the Red Army and Intelligentsia.