USA HISTORY

Detailed explanation-1: -In 1862, the Pacific Railroad Act chartered the Central Pacific and the Union Pacific Railroad Companies, tasking them with building a transcontinental railroad that would link the United States from east to west.

Detailed explanation-2: -In 1862 Congress passed the Pacific Railroad Acts which designated the 32nd parallel as the initial transcontinental route and gave huge grants of lands for rights-of-way. The legislation authorized two railroad companies, the Union Pacific and the Central Pacific, to construct the lines.

Detailed explanation-3: -The rail line, also called the Great Transcontinental Railroad and later the “Overland Route, ” was predominantly built by the Central Pacific Railroad Company of California (CPRR) and Union Pacific (with some contribution by the Western Pacific Railroad Company) over public lands provided by extensive US land grants.