Which of these were common aspects of war efforts during world war i? check all that apply.

a. rationing
b. war bonds
c. using schools as military facilities
d. child soldiers
e. women working in factories

Rationing -since many people were working in the war effort, less people could focus on farming, so there were many shortages.

 war bonds - those were used to finance the war effort

women taking over many of men's jobs, such as in factories - this later led to female suffrage.

B- protecting freed african americans