USA HISTORY

Detailed explanation-1: -On May 10, 1869, the presidents of the Union Pacific and Central Pacific railroads meet in Promontory, Utah, and drive a ceremonial last spike into a rail line that connects their railroads.

Detailed explanation-2: -The legislation authorized two railroad companies, the Union Pacific and the Central Pacific, to construct the lines.

Detailed explanation-3: -The Transcontinental Railroad connected Omaha, Nebraska and Sacramento, California, thus establishing an efficient transportation route west of the Mississippi to the West Coast. The Union Pacific Railroad Company began laying tracks in Omaha, Nebraska in 1863.

Detailed explanation-4: -The Railroad Act of 1862 put government support behind the transcontinental railroad and helped create the Union Pacific Railroad, which subsequently joined with the Central Pacific at Promontory, Utah, on May 10, 1869, and signaled the linking of the continent.