Ask Question
23 December, 11:32

How did John D. Rockefeller make his

principal fortune?

+5
Answers (1)
  1. 23 December, 12:12
    0
    Answer: Petroleum.

    Explanation: John D. Rockefeller built his first refinery in 1870. He had a monopoly of oil in the oil industry of the U. S.

    He became rich buying the companies of his rivals and creating companies to sell his products in the world. In 1882 he had the control of 90% of the refineries of the country. He was considered a Captain of Industry, for making so much money and for become a philanthropist, that donated a lot of money.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “How did John D. Rockefeller make his principal fortune? ...” in 📘 History if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers