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

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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b) they want the land taken away from the wealthy landowners and given to peasants.