I thought Socialism and Communism is the same thing. More government control over our lives. How could he hate one with such a passion and dedicate his life to the other when both are so similar?
I don't want to discourage new answers, but the FAQ has a pretty good section on this question: https://www.reddit.com/r/AskHistorians/wiki/faq/europe#wiki_how_socialist_was_national_socialism.3F