USA HISTORY

Detailed explanation-1: -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.

Detailed explanation-2: -Poor air and water quality, insufficient water availability, waste-disposal problems, and high energy consumption are exacerbated by the increasing population density and demands of urban environments.

Detailed explanation-3: -The industrialization of the late 19th century brought on rapid urbanization. The increasing factory businesses created many more job opportunities in cities and people began to flock from rural areas to large urban locations. Minorities and immigrants increased these numbers.