What was the Nationalist Socialist Party (Nazi's)? What did they believe? Where did these beliefs originate? What led them to commit such atrocities and war crimes? In this new work, author C.M. Vasey questions the nature of the Nazi Party and Third Reich's ideology, which fuelled the Second World War and the Holocaust. This work explores the philosophical and historical origins of Nazi ideology in concepts such as Social Darwinism, biological nationalism, Aryanism, and most notoriously, anti-Semitism. Starting from the early days of the NSDAP to the end of the Second World War, Nazi Ideology provides a detailed examination of the Nazi belief system and the role it played in world history.