What was a major similarity between the Battle of Verdun and the Battle of the Somme?
A. Both resulted in hundreds of thousands of casualties despite little
territory changing hands.
B. Both demonstrated the importance of U. S. forces in the eventual
Allied victory.
C. Both played a key role in ending the stalemate that had developed
on the Western Front.
D. Both showed the effectiveness of German U-boats against the
powerful British navy