Which of the following best describes the factors that most directly contributed to the explosive industrial growth in the United States after the Civil War?​

Newly discovered natural resources and an expanding immigrant workforce paired with mass production and distribution spurred industrial grow

or After the Civil War, the United States was still a mostly rural nation.

Explanation:

hello,

  i would that it was because no matter how hard people worked everyone would be paid the same, witch it was a that the russian to rule.

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