World War I led to the breakup of the Standard Oil trust.
Who ordered a breakup of the Standard Oil Trust?
In 1911, the U.S. Justice Department sued the group under the federal antitrust law and ordered its breakup into 34 companies. Standard Oil's market position was initially established through an emphasis on efficiency and responsibility.
What was Standard Oil broken up into?
In 1911, following the Supreme Court ruling, Standard Oil was broken into seven successor companies; Standard Oil of New Jersey, Standard Oil of New York, Standard Oil of California, Standard Oil of Indiana, Standard Oil of Kentucky, The Standard Oil Company (Ohio), and The Ohio Oil Company.
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