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The steam Drill

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What did john d Rockefeller invent or innovate?

Mr. Rockefeller did not invent anything. However, he was a avid investor, and he helped monopolize the oil industry.


What did John Rockefeller invent?

John D Rockefeller did not invent anything. He owned the Oil Industry being very successful


What are inventions that John D Rockefeller made?

John D. Rockefeller never really invented anything. He was actually the leader of the oil industry for a long time. He started his own company called "Standard Oil" which later broke off into Exxon Mobil and Chevron. He became one of the most richest men in America from buying out the whole oil industry and his competitors, and then raising his prices so that people would have to buy it from him.


What is a inventor or invention starting with d?

Abraham Darby


What companies did john D . Rockefeller and Andrew carnegie found and how did they build them up?

John D. Rockefeller founded Standard Oil, which became the dominant oil refining company in the United States by employing aggressive business practices, including horizontal integration—buying out competitors and establishing monopolies. Andrew Carnegie founded Carnegie Steel Company, which revolutionized steel production through innovative practices like the Bessemer process and vertical integration, controlling every aspect of production from raw materials to distribution. Both tycoons leveraged economies of scale and strategic acquisitions to maximize efficiency and minimize costs, leading to their companies' immense growth and influence in their respective industries.