Answer:
A creeping bombardment, first used at the Battle of the Somme, involved artillery fire going forward in phases only ahead of the advancing infantry. ... To work, both the heavy artillery and the infantry required correct timing of the tactic. Failure to do this would result in their own troops being killed by artillery.
Answer:rgegrewgrfdsgfdgdfgfd
Explanation:gfjhdgfggggggghfdsjfjds
My answer for your question is choice 3
