The document lists several factors that helped explain the rise of the Nazis in Germany:
1. The instability of the Weimar Republic and lack of support for it created political instability.
2. Economic crises like hyperinflation in 1923 and the Great Depression in the 1930s hurt the German economy and people lost faith in the Weimar government.
3. Resentment of the Treaty of Versailles' terms added to nationalist sentiment and weakened support for the post-WW1 democratic government.
4. Hitler's skill as a public speaker and propagandist helped rally support for the Nazi party among middle and working class Germans.