Answer :
Cities in the United States expanded dramatically between 1880 and 1900. In the two decades prior to 1900, the population of U.S. cities increased by nearly 15 million.
the majority of this rise being attributed to the growth of industry. Immigrants from various countries arrived in large numbers and contributed significantly to the population growth of cities. During this time, there was a steady flow of rural Americans moving to the metropolis. Nearly 40% of American townships saw population decline between 1880 and 1890 as a result of migration. Industrial cities played a unique role in American history during the closing years of the 1800s, with all the issues brought on by rapid population increase and a lack of infrastructure to sustain the growth. Despite all the issues—and there were plenty—the cities fostered a unique relationship between people and laid the groundwork for the multicultural society we treasure today.
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