How did the stab in the back myth damage the Weimar Republic?

Correct answer: It reduced trust by calling the new government traitorous

Direct answer: Option D is correct. The ‘stab in the back’ myth claimed that the German army had not truly been defeated on the battlefield; instead, supposedly, politicians, republicans and other internal enemies had betrayed the army and caused Germany to accept defeat. This was a false and politically useful story. After the First World War, the Weimar Republic was associated with the new government that signed the armistice and accepted the Treaty of Versailles. Nationalists and later Nazis used the myth to call the republic’s leaders traitors. Step by step, the false claim blamed internal enemies, the new democratic government was linked with those enemies, and public trust in the Weimar Republic declined. Option D is correct because it says that the myth called the new government treacherous and reduced people’s confidence in it. Option A is wrong because the myth did not present Weimar as a war winner; it accused the republic of betrayal. Option B is wrong because it did not portray Weimar as helping soldiers; it blamed the government for abandoning or betraying them. Option C is wrong because the myth made the republic less popular and weakened its legitimacy rather than making it fully popular. The key lesson is that a repeated false explanation can damage a democracy when people accept it as a national betrayal story. Memory cue: ‘stab in the back’ = army allegedly undefeated, politicians blamed, Weimar distrusted. The supplied answer is correct, so the decision is pass.