Question

Carnegie worked in the railroad industry, but how did Andrew Carnegie make his fortune?

A. Sewing machines
B. Steel plants
C. Telephones
D. Typewriters

Answer 1

it is the answer b because

Answer 2

The answer is B. According to investopedia.com, "Choosing to spend more time with his family, Carnegie sold his company to J.P. Morgan’s U.S. Steel Corporation (NYSE: X) for $480 million in 1901, famously making him the richest man in the world."

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