19. Which of the following statements is true regarding Andrew Carnegie?

A. Andrew Carnegie attended Harvard and was well educated.
B. Andrew Carnegie's ancestors came over on the Mayflower.
C. Carnegie's steel mills used the Bessemer process.
D. Andrew Carnegie bought U.S. Steel and renamed it Carnegie Steel.



Answer :

Final answer:

Andrew Carnegie dominated the US steel market by practicing vertical integration and incorporating the Bessemer process.


Explanation:

Andrew Carnegie was a Scottish immigrant who founded the Carnegie Steel Factory and dominated the US steel market by practicing vertical integration. He observed the Bessemer process in England, which helped him produce steel more efficiently and cost-effectively.


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