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Asa Whitney presents to Congress a plan for the federal government to subsidize the building of a railroad from Mississippi River to the Pacific.
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The Kansas-Nebraska Act created by Senator Stephen Douglas intended to win approval for a line from Chicago.
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Central Pacific Railroad began to build in Sacromento, California
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Union Pacific RR began construction form Omaha, Nebraska
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The two railroads were met and the last golden spike was drove in at Promontary, Uthah
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More lines added and finished in 1883
