Final answer:
The Second Industrial Revolution transformed the United States into a leading global economic power.
Explanation:
The most important result of the Second Industrial Revolution was turning the United States into a world economic power. This period marked a significant shift in the American economy as it transitioned from primarily agricultural to industrial, leading to increased production, urbanization, and technological advancements that propelled the U.S. to the forefront of the global economy. Innovations such as modern steel, electrical generators, the telephone, automobiles, and the demand for raw materials played pivotal roles in this transformation.
Learn more about Impact of the Second Industrial Revolution in the United States here:
https://brainly.com/question/29582445
