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?
Crédit Mobilier of America scandal The Crédit Mobilier scandal of 1867, which came to public attention in 1872, involved the Union Pacific Rail Road and the Crédit Mobilier of America construction company in the building of the eastern portion of the First Transcontinental Railroad. The scandal was in two parts. The construction company charged the railroad far higher rates than usual, and cash and $9 million in discounted stock were given as bribes to 15 powerful Washington politicians, including the Vice-President, the Secretary of the Treasury, four senators, and the Speaker and other members of the House.
William J. Oliver (industrialist) William Jesse Oliver (January 13, 1867 – March 28, 1925) was an American industrialist who operated one of the nation's most successful contracting firms in the early 20th century. He built several hundred miles of railroad in the Southern Appalachian region during the 1890s and early 1900s, and opened the South's largest privately owned manufacturing plant in 1905. He submitted the initial winning bid for the construction of the Panama Canal in 1907, though the bid was eventually rejected.