Answer:
c) Demand for Reparations
Why the other answer choices are incorrect:
a) The mandate system actually strengthened the Weimar Republic because it allowed the country to show that it could govern former colonies effectively.
b) The application of self-determination actually strengthened the Weimar Republic because it allowed the country to show that it respected the rights of ethnic minorities.
d) The League of Nations actually strengthened the Weimar Republic because it showed that the country was committed to international cooperation.
Explanation of key concepts:
What was the Weimar Republic?
The Weimar Republic was a government formed in Germany after World War I. The Republic faced a number of challenges, including economic instability, ethnic conflict, and the rise of radical political parties.
Despite these challenges, the Republic was successful in introducing a number of important reforms, including the creation of the mandate system, the application of self-determination in Eastern Europe, and the establishment of the League of Nations.
What was the Treaty of Versailles?
The Treaty of Versailles was a peace agreement signed at the end of World War I between the Allies and Germany. The treaty led to the formation of the Weimar Republic in Germany. The treaty placed a number of restrictions on Germany, including the demand for reparations and the prohibition of military aircraft.