Question

Which of the following innovators was most responsible for making the United States a world economic power? A. Guglielmo Marconi B. Samuel Morse C. Heinrich Hertz D. Andrew Carnegie

Answer 1

Answer: D. Andrew Carnegie

Explanation: I just took the K-12 quiz, and this was the answer!

Answer 2

Andrew Carnegie was the innovator that was most responsible for making the United States a world economic power.