Question

What are some reasons conditions in cities began to improve around the turn of the century?

Answer 1

Answer:

Industrial expansion and population growth radically changed the face of the nation's cities. 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.

Explanation:

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