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.

why do you think kush in nubia is not as well-known as egypt?

the emancipation proclamation was the aim of the war change to include the freeing of slaves in addition to preserving the union. the 13th amendment, which abolished slavery in the u.s. was passed on december 6th 1865.

as promised, lincoln waited to unveil the proclamation until he could do so with success from the union military advance. on september 22nd 1862, after a victory at antietam, he publicly announced a preliminary emancipation proclamation, declaring all slaves free in the rebellious states as of january 1st 1863.