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

PLEASE HELPThe table below shows casualties suffered by some of the Allied nations that participated in World War I Which factor explains the high casualty rate class=