PLEASE ANSWER QUICKLY!

How did the war effort affect US manufacturing?

US companies were unable to meet the demand.
France supplied most of the vehicles used in the war.
Great Britain stopped purchasing US goods.
The US became the largest manufacturer of airplanes.

Hey!me its for an important test! ! which issue during the progressive era would most likely have united mary harris "mother” jones and lewis hine? a) ending child labor b) regulating monopolies c) using photography to expose poor working conditions d) exposing the lack of jobs available for untrained laborers