What did john d. rockefeller do to establish standard oil as a monopoly?
question 15 options:

a. invested in banks

b. set up a trust

c. kept discovering oil

d. bought stock options
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The correct answer is D) bought stock options.

What Rockefeller did to establish the standard oil as a monopoly was to buy stock options from other smaller companies until he became the only owner of most of the oil companies in America.

John D. Rockefeller (1839-1937) founded the Standard Oil Company in 1870. After a decade, Standard Oil controlled 90 percent of the oil in the United States. He bought companies that were competitors or that were part of the oil supply chain and created a monopoly. That is why in 1911, the Supreme Court of the United States ordered the dissolution of the company because it violated antitrust laws.

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts

6 or 2

explanation:

hope this you

but i think its 6