Besides cultivating liberty gardens, the American women contributed to the United States' war efforts by D. going to work in war-related industries to fill in for the men who were away at war.
The correct answer is d. They went to work in war-related industries to fill in for the men who were away at war.
During World War II, millions of men were drafted to serve in the United States military. This left millions of jobs open on the homefront. The result was a significant increase in the amount of women working in war-related industries.
The enormous need for guns, ammunition, tanks, etc. resulted in women all over the country breaking traditional gender roles by working in war-related industries. This movement was spurred by propganda, with one of the most famous ones being the Rosie the Riveter campaign.
The American Revolution could have been won without any aid that they been left complete by themselves. The crisis during this revolution was already before the military forces had provided by any help and aid, that came from abroad nevertheless this help was welcome gratefully. They would have won American revolution all by themselves but where happy to receive help from abroad. In which France was the first to shake hands on this later joined by Spain, Holland and Prussia.