Are you asking who read his book? if so , I have
Political changes caused by religious differences
If I could remember it’s b
Answer:
I believe the answer is A
Explanation:
The Western front was best characterized by trench warfare. The armies dug into the ground, both sides constructing elaborate trench networks. This caused them to reach a stalemate for most of the duration of the war.
(i got this from google btw)
hope this helped :) pls give branliest