Which of the following conditions were agreed upon in the Treaty of Versailles? Mark all that apply. 
 a. Germany must reduce the size of their military. 
 b. Austria-Hungary and Serbia had to take responsibility for the war. 
 c. Germany had to pay reparations to the Allies. 
 d. New nations were formed in Eastern Europe -- taking land from Russia and Germany. 
 (MULTIPLE CHOICE)