How did the United States change after World War II

The entry of the United States into World War II caused vast changes in virtually every aspect of American life. ... Building on the economic base left after the war, American society became more affluent in the postwar years than most Americans could have imagined in their wildest dreams before or during the war.

Explanation:

in february 1787, congress decided that a convention should be convened to revise the articles of confederation, the nation’s first constitution. in may, 55 delegates came to philadelphia, and the constitutional convention began. debates erupted over representation in congress, over slavery, and over the new executive branch. the debates continued through four hot and muggy months. but eventually the delegates reached compromises, and on september 17, they produced the u.s. constitution, replacing the articles with the governing document that has functioned effectively for more than 200 years.

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