SAT Subject US History Practice Question 638: Answer and Explanation

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Question: 638

79. A second Industrial Revolution in the late 1800s was generated by innovations in which industries?

A. Automobile and railroad
B. Steel and oil refining
C. Telephone and telegraph
D. Advertising and radio
E. Agriculture and livestock

Correct Answer: B


Steel and oil refining made possible the rest of the innovations of the second Industrial Revolution.

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