What did ida m. tarbell's investigations reveal?

Ida Tarbell was an American journalist, considered one of the main "muckrakers" of the Progressive Era of the late nineteenth and early twentieth centuries.

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; her investigations exposed the unfair monopolistic practices carried out by the company until the Supreme Court of the United States decided to dissolve the monopoly.

i need to see the questions able to answer sorry

states

explanation:

as the old saying goes, all politics are local. state and federal governments affect our daily lives in numerous ways. yet, in our federal system, there is supposed to be a balance between federal and state power. as james madison envisioned it in federalist no. 51, “the power surrendered by the people” would be “divided between two distinct governments,” creating a balance of power that would enable the “different governments [to] control each other.”