What effect did globalization have on the united states in the late 1800s and early 1900s

The most salient fact of the globalization of the United States at the end of the nineteenth century and in the period of imperialism is the acceleration of its industrialization. At the time cited, the United States went through an industrial boom, placing itself at the end of the 19th century at the head of the world because of the volume of production of its industry.

Another important aspect on which the United States relied to build its industry was the use of foreign labor. The United States mounted its industry by relying on the human resources of the entire world.

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d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."