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Social life also changed: women had to run businesses while the men were at war and labor laws started to be enforced due to mass production and mechanization. People all wanted better living standards. After WW1, the need for an international body of nations that promotes security and peace worldwide became evident.
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Answer: Despite isolationist sentiments, after the War, the United States became a world leader in industry, economics, and trade. The world became more connected to each other which ushered in the beginning of what we call the “world economy.”
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