What railroad for which Oakes Ames is credit as being the single most important influence in building was caught up in the  Crédit Mobilier scandal?
Oakes Ames Oakes Ames (January 10, 1804 – May 8, 1873) was an American manufacturer, capitalist, and member of the United States House of Representatives from Massachusetts. As a congressman, he is credited by many historians as being the single most important influence in the building of the Union Pacific portion of the transcontinental railroad. He is also noted for the subsequent scandal that alleged the improper sale of stock of the railroad's construction company.
John H. Inman John Hamilton Inman (23 October 1844 - 5 November 1896) was an American capitalist who invested in cotton, coal, iron and steel, and railroads, especially in the impoverished American South during the Reconstruction Era. While he is remembered as a tycoon in the age of "laissez-faire", cut-throat capitalism, he nevertheless helped the economic development of his native state and the South in general.