How did the United States change as a result of World War II? Select the four correct answers. Unemployment fell and wages increased. Spending on defense decreased significantly. Different regions of the United States became more isolated. The United States became the world's strongest economic and military power. Women experienced increased opportunities, holding jobs previously held by men. Farmers used improved farm machinery and fertilizer to increase crop production greatly. The U.S. government increased its planning of the economy and control of different industries.

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