The Holocaust started because of the thousands and millions of anti semitism in Germany and the countries it conquered, propaganda, and the encouragement and leadership of political leaders. It's very difficult to comprehend or understand how such a large number of people were killed by ordinary people and how they can be so ruthless and inhumane. Even with the hatred these anti-Semitism had towards the Jews it wasn't enough encourage these average people to commit murder. But, when you put them altogether they can become a kill machine. For many it happened, they became murderous, because knowing that there would be greater anonymity that exists within a group and the distribution of responsibility. This is one of the many events in history that mob mentality has taken place towards the actions of