USA HISTORY

Detailed explanation-1: -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.

Detailed explanation-2: -Abraham Lincoln In 1862, President Lincoln signed the Pacific Railroad Act into law, directing the Union Pacific and Central Pacific to build the nation’s first transcontinental railroad.

Detailed explanation-3: -Contents. 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-4: -Beginning in 1863, the Union Pacific, employing more than 8, 000 Irish, German, and Italian immigrants, built west from Omaha, Nebraska; the Central Pacific, whose workforce included over 10, 000 Chinese laborers, built eastward from Sacramento, California.