It’s not jewelry, but a fraudster in this industry was kidnapped by three future congressmen and later shot himself before he was to be extradited to Europe. “Frog wars” occurred in this industry which Lord Gordon Gordon defrauded. A businessman who allegedly rowboated to his inauguration due to flooding helped fund a project in this industry with Collis Huntington and Charles Crocker. Jay Cooke and Company’s failed investments (15[1])in this industry contributed (15[1])to the (*) Panic of 1873, while a scandal in this that was leaked by Henry McComb implicated Oakes Ames and Vice President Schuyler Colfax. (-5[1])A golden spike (10[1])was driven to commemorate a project in this industry that was discovered to be bribing the government during the Credit Mobilier scandal. Jay Gould and Leland Stanford worked in, for 10 points, what industry that let trains travel across the country? (10[1])■END■