: Within a decade, the Pioneer was replaced by faster models, but its success turned Chicago into the greatest railroad center in the world. It eventually became a celebrated relic, appearing at the World’s Fair and the Chicago Railroad Fair . The Human Pioneers: Giants of Industry
Behind the machines were the "Railroad Kings" who risked fortunes to connect the continent: Railroad Pioneer
The story of a can refer to several things: the historic locomotives that blazed trails, the legendary tycoons who built empires, or even the 2003 simulation game where players build their own networks. : Within a decade, the Pioneer was replaced
in a race to claim territory during the era of Manifest Destiny . : Within a decade