He fought in World War I. He was awarded the Iron Cross twice. And then after the war, he becomes, like many Germans, disillusioned over the Treaty of Versailles. He believes that this is beyond the pale. That not only is it a slight at their economy, at their land and their territory, but at the very heart of German nationalism and German pride. So he ends up getting involved in right-wing politics. He moves to Munich where there is a political organization called the National Socialist German Workers Party, or they were called the Nazis.