Question

What was the constant problem of the city during the early 1900s

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.

Answer 2

congestion, pollution crime, and disease