Why Did the Germans Accept the Treaty of Versailles

Why did the Germans accept the Treaty of Versailles?

A) They believed it was the best agreement they would receive from the Allied Powers.
B) They had little alternative, especially as the naval blockade was still in place and the German people were starving.
C) They believed that neither France nor Great Britain would enforce the provisions of the treaty that Germany disliked.
D) They realized that some of the provisions would permit them to establish German authority toward the east.