What were some economic, political, and societal problems in the United States in the late 1800s and early 1900s

Noise, traffic jams, slums, air pollution, and sanitation and health problems became commonplace. Mass transit, in the form of trolleys, cable cars, and subways, was built, and skyscrapers began to dominate city skylines. New communities, known as suburbs, began to be built just beyond the city.

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Explanation:

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