What did ida tarbell’s book the history of the standard oil company do

Ida Tarbell’s book "The History of the Standard Oil Company" do unveiled the unfair monopolistic practices carried out by John Rockefeller to constitute his predominance in the oil business.

Explanation:

Ida Tarbell was an American professor, writer and journalist, considered one of the main "muckrakers" of the Progressive Era of the late nineteenth and early twentieth century and a pioneer of investigative journalism.

She is known for her research on John D. Rockefeller and the Standard Oil Company, published in series by McClure's Magazine from 1902 to 1904; his investigations exposed the unfair monopolistic practices practiced by the company until the Supreme Court of the United States decided to dissolve the monopoly.

the great wall of china worked as a defense for the feudal states of the zhou dynasty to the north. during the warring states period more walls were put up to defend the borders of the different kingdoms. it was semi successful because despite the wall, the mongols eventually conquered china also the great wall provided protection to the economic development and cultural progress, safeguarded the trading routes such as the silk road, and secured transmission of information and transportation. @jayxboof

you didn't give any answers to choose from so i can't with this but, i do know something that the mexican government would be worried about and that is the wall that donald trump is currently trying to get up.