What was the name of the government blamed for the Versailles treaty after World War 1?

The government blamed for the Versailles Treaty after World War I was the Weimar Republic, which was the democratic government established in Germany following the war. Many Germans viewed the treaty's harsh terms as a betrayal, leading to widespread resentment towards the Weimar leaders who signed it. This blame contributed to the rise of extremist political movements in Germany, including the Nazis, who capitalized on the national discontent.