The participation of the United States in World War II was characterized by not being completely involved at the beginning and later, it ceased to be neutral to intervene directly.
During the first part of the war the United States was neutral and took advantage of the height of the war to establish a strong arms industry.
Later they established collaborative ties with the allied countries to avoid German domination in Europe.
After several confrontations in the Pacific with Japan, its laws were modified to officially enter the war until victory in 1945.
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