Business · 2
John D. Rockefeller built his fortune in which industry during the Gilded Age?
Answer
Oil refining
John D. Rockefeller founded Standard Oil and became one of history's wealthiest entrepreneurs by dominating the oil refining industry.
💡 Did you know?
At his peak, Rockefeller's Standard Oil controlled approximately 90% of U.S. oil refining.
Other options people guess
- Steel
- Railroads
- Banking
Topics
- John D. Rockefeller
- oil industry
- Gilded Age
- monopolies
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