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.

Upon the fall of rome, europe ceased being influenced by the cultures of the mediterranean coast and was more influenced by germanic tribal confederations that had already taken over vast swathes of roman territory, although the influence of rome on the former empire was very strong in legal