Respuesta :
Although US isolationism was not the primary cause of WWII, it was one of the key causes for the war's onset since it allowed authoritarian control to sweep the world with a weaker League of Nations, contributed to the deepening of the Great Depression, and made diplomatic solutions internationally almost impossible.
Answer: how the world war 2 impacted the USA Americans involve meant in the world war 2 had a significant economy and workforce of the united state. America factories were retooled to produce goods to support the war effort and almost overnight the unemployment rate dropped to around 10%.
Explanation:
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