I disagree that the collapse of Weimar Republic was inevitable. Weimar Republic was a democratic government created in 1919 after WWI. The Republic just lasted 13 years. Weimar Republic inherited enormous problems from the previous government. She signed the Treaty of Versailles. The consequences of Versailles were severe to Germany, and many were looking for someone to blame, Weimar Republic was the ideal scapegoat. It would seem that the collapse of the republic was inevitable. However, there was opportunity for the survival of Weimar Republic.
Firstly, Weimar Republic had the opportunity to survive. After signed the Treaty of Versailles, the bad luck befell Weimar Republic. She was really vulnerable and unpopular. The heavy reparations worsened Germany’s post-war problems and caused the Ruhr crisis in 1923, then hyperinflation as well. When Weimar Republic was again blamed for not being able to settle the economic problems, a bright light of hope appeared. Stresemann, the hope of Weimar Republic, issued a new currency to bring inflation under control in 1924 to 1928, which known as the Locarno Honeymoon. Stresemann succeeded in solving Germany’s economic problems by lessening the reparation under Dawes Plan (1924) and Young Plan (1928). Germany economy was gradually recovered her industrial. Her output even surpassed the pre-war level in 1928. Also, Germany joined the League of Nation. She was no longer diplomatically isolated. Besides, Social Democrats started to cooperate with other moderate rights and the centre. Political situation became more stable, so as radicals were checked. The threat of Nazi Party was relived and Weimar Republic regained the faith from Germans. Weimar Republic had the opportunity to rebuild itself.
Secondly, the Nazi Party as the main anti-republican force against Weimar Republic was not so powerful. Nazi Party rose mainly contributed by