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Standard Oil, founded by John D. Rockefeller in 1870, effectively monopolized over 90% of the U.S. oil refining industry at its peak. The company controlled numerous subsidiaries and affiliated companies, which included major entities like the Ohio Oil Company, the National Transit Company, and the Atlantic Refining Company. Ultimately, Standard Oil's practices led to its dissolution in 1911 by the U.S. Supreme Court, which deemed it a violation of antitrust laws. The breakup resulted in the formation of 34 independent companies.

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Who was the muckraker who wrote history of the standard oil company which described how john d Rockefeller standard oil company begain swallowing up independent oil companies?

The muckraker who wrote "History of the Standard Oil Company" was Ida Tarbell. Her investigative work, published in 1904, detailed the unethical practices used by John D. Rockefeller to monopolize the oil industry by absorbing independent oil companies. Tarbell's revelations played a significant role in raising public awareness about corporate greed and contributed to the eventual antitrust actions against Standard Oil.


How many companies did standard oil break up into?

34? Anyone else?


What are the 34 companies that came from standard oil?

Standard Oil, founded by John D. Rockefeller, was broken up in 1911 into 34 companies due to antitrust regulations. Some of the most notable companies that emerged from this breakup include ExxonMobil, Chevron, and ConocoPhillips. Other significant entities include Amoco, Arco, and Marathon Oil. Many of these companies have since merged or restructured but trace their origins back to Standard Oil.


Who is Ida tarbell?

Type your answer here... Ida Tarbell was one of the leading muckrakers of all time. She revealed J. D. Rockefeller's plan to monopolize Standard Oil.


Theodore Roosevelt succeeded in breaking into 34 separate companies?

Standard oil companies


Which of these companies merged approximately forty other companies to form a monopoly?

Standard Oil


What companies did john d Rockefeller organize in 1870?

standard oil company of Ohio.


What American companies had a monopoly in the 1800s?

Standard oil company


A corporation made up of many companies that receive certificates entitling them to dividends on profits earned?

Standard Oil Company


When was Standard Oil dissolved?

In 1911 the U.S. Supreme Court ordered that Standard Oil be dissolved. The trust was divided into 33 independent companies.


What did Roosevelt succeed in breaking into 34 separate companies?

Standard Oil


American companies had a monopoly in the late 1800s?

Standard Oil Company