What was the impact of a stalemate along the western front during World War I?
A. both sides developed new military technologies to promote advancement and gain enemy territories.
B. the allied and central powers waged total war as they create economic devastation.
c. Central powers cut off enemy supply lines to devastate the allied powers main forces
D. New military strategies like blitzkrieg, allowed each side to advance into enemy territory.

homework multiple choice question, the notes my teacher gave like completely avoid the question and aren't helping.