Question

PLEASE HELP..............................................................................................................................The table below shows casualties suffered by some of the Allied nations that participated in World War I:
Which factor explains the high casualty rates of suffered by both sides in World War I?

aerial attacks on civilian populations

the use of poison gas and machine guns

the use of unrestricted submarine warfare

blimps used to direct artillery fire

Answer 1

Answer:

the use of poison gas and machine guns

Explanation:

Aerial attacks weren't really a thing, unrestricted submarine warfare was a reason why the US joined the war but not a factor in high casualty rates, and blimps using direct artillery fire isnt as practical as machine guns and poison gas