Long story long, he was brought into office in 1917 after the tsar of Russia was overthrown, people were looking for somebody to lead and they settled on Lenin. He brought the idea of communism which is known for plaguing Europe and Asia and caused many wars about 40 years later notably Korea, Vietnam, and the Cold War. Lenin had about 28,000 executions a year which would bring about the communist government becoming a tyranny. His ideology for the USSR would stay in place for when Stalin became the leader and Stalin would adopt many of those cruel policies Lenin had and continued to worsen them. Source: https://yesterday.uktv.co.uk/russian-revolution-in-colour/article/lenin-heroic-visionary-or-tyrant/
