The Russian Revolution of 1917 was a major event in history that changed the world[2]. It was first time in the history that the toiled masses had successfully established their own rule. After the revolution the Union of Soviet Socialist Republics (USSR) was born [...] Leon Trotsky was a leading leader of the Bolshevik Revolution along with Lenin. He was expelled from the party and exiled by Stalin. He tried to take refuge in different countries...