1) Lenin, a citizen of Russia, brother was hanged because he was thought to kill the king. Lenin traveled around Europe to research the studies of communism to change the government. Eventually he over through the government and he became the first dictator in the world.
2) Union of Soviet Socialist Republics was lead by Josef Stalin who led them to power. Stalin and Hitler signed a nonaggression pact right before World War 2. Then, in June of 1941, the Germans
broke the Nazi-Soviet pact.
3) Leon Trotsky played an important role in the Bolsheviks rise to power. He started to build the Red Army. With the help of his army he led Lenin to power. He was removed from the leader of the army then banned from Politburo and in 1928 he was expelled from the Soviet Union altogether.