A graph shows that there were 1 million manufacturing workers in the United States in 1850, then 2 million in 1870, then 5 million in 1900.

Question

Question
Use the graph to answer the question.
Which of the following was the most likely cause of the trend shown on the graph?

(1 point)
Responses

the increase in the number of immigrants to the United States
the increase in the number of immigrants to the United States

the growth of industrialization and the development of factories
the growth of industrialization and the development of factories

the expansion of plantations and the spread of slavery
the expansion of plantations and the spread of slavery

the escalation of nativism in the Northeast
the escalation of nativism in the Northeast
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Answer 1

The most likely cause of the trend shown on the graph, which displays a significant increase in the number of manufacturing workers in the United States from 1850 to 1900, is the growth of industrialization and the development of factories.

This period marked a time of rapid industrial growth, with an increase in manufacturing jobs as factories expanded to meet demand. While immigration may have contributed to the workforce, the primary driver of the growth reflected in the graph is industrialization itself.