The end of World War I left Germany in a state of chaos and economic ruin. The Treaty of Versailles, which ended the war, placed harsh restrictions on Germany, including the loss of territory and the payment of massive reparations. This led to widespread resentment and anger among the German people, who felt that they had been unfairly punished.
In addition to the economic and territorial losses, World War I also had a profound impact on the political and social landscape of Germany. The war had led to the collapse of the German Empire and the rise of the Weimar Republic, a weak and unstable democracy. The Weimar Republic was plagued by economic problems, political instability, and the rise of extremist groups, including the Nazi Party.
The Nazi Party, led by Adolf Hitler, exploited the weaknesses of the Weimar Republic and capitalized on the resentment felt by many Germans. Hitler promised to restore Germany to its former glory and to reverse the harsh terms of the Treaty of Versailles. He was able to gain support from a wide range of people, including nationalists, socialists, and disaffected veterans.
In 1933, Hitler was elected Chancellor of Germany. He quickly began to consolidate power and to implement his agenda. He rearmed Germany, in violation of the Treaty of Versailles, and began to pursue a policy of aggression and territorial expansion. In 1939, Germany invaded Poland, which led to the outbreak of World War II.
While it is difficult to say that World War 1 directly caused World War 2, it is clear that the Treaty of Versailles and the economic and political chaos that followed the war played a major role in the rise of the Nazi Party and the outbreak of World War II.