How was World War II a turning point for the United States in both foreign and domestic policy?

American and domestic foreign policy during World War 2 were linked in that once America entered the war it had a significant impact on its economy.  When you say during World War 2 you must remember that the USA did not enter the war until December 1941 after the attack on Pearl Harbour. Even then there was no guarantee that they would become involved in a war in Europe. It was Hitler who declared war on the USA.

Explanation:

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answer; i believe that the correct answer is (agriculture);

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.