A common description of John D. Rockefeller and Andrew Carnegie are:
steel industry
gave away huge portions of their wealth to charity
oversaw the creation of trusts/monopolies in the late 1800s.
- Two famous entrepreneurs, Andrew Carnegie and John D. Rockefeller owned larger companies.
- Rockefeller owned Standard Oil Company which included all of the refineries in the United States.
- Carnegie owned the steel industry in America in the late 19th century.
Therefore we can conclude that option A, D and E are correct answer.
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