Which describes a change in the population that industrialize the u. s. in the late 1800s?

a.
many people moved from rural areas to urban centers.

b.
an increase in american indian workers led to more competition for jobs.

c.
advancements in farming methods allowed people to move so they could start new agricultural communities.

d.
the decrease of young people in cities led to the hiring of older and more experienced workers.

A. Many people moved from rural areas to urban centers.

Explanation:

The increase in the number of people who live in urban areas is called urbanization. During the late 1800s and early 1900s, Americans increasingly moved from rural areas to cities. Between 1870 and 1920 eleven million Americans moved to cities, joined by most of the twenty-five million immigrants who came to the US during this time. This led to the urban population being larger than the rural population for the first time in the US history. The cause of this occurrence was the Second Industrial Revolution, which took off following the Civil War with the invention of interchangeable parts, assembly-line production, and new technologies, such as the telephone, automobile, and electrification. The businesses and factories behind the industrial revolution were situated in cities, attracting more people, which additionally helped the process of industrialization.

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explanation: