Which of the following innovators was most responsible for making the United States a world economic power?

2 answers:

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First, Heinrich Hertz was German and Guigiermo Marconi was Italian - they were not Americans, so we can reject those options. Samuel Morse did important contributions to communications, but the best answer is Andrew Carnegie - Carnegie was a successful industrialist and he also directly supported American Industry, he himself was very rich but he also generously donated to charities.

egoroff_w [7]3 years ago

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The correct answer is D. Andrew Carnegie. Hope this helps! :)

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