USA HISTORY

Detailed explanation-1: -By connecting the existing eastern U.S. rail networks to the west coast, the Transcontinental Railroad (known originally as the “Pacific Railroad") became the first continuous railroad line across the United States. It was constructed between 1863 and 1869.

Detailed explanation-2: -Just as it opened the markets of the west coast and Asia to the east, it brought products of eastern industry to the growing populace beyond the Mississippi. The railroad ensured a production boom, as industry mined the vast resources of the middle and western continent for use in production.

Detailed explanation-3: -The transcontinental railroad impacted U.S. commerce in a positive manner. It made it much faster to ship raw materials from the west to factories in the east. It also made it much quicker and cheaper to ship finished goods all over the country. Products became more widely available.

Detailed explanation-4: -It made commerce possible on a vast scale. In addition to transporting western food crops and raw materials to East Coast markets and manufactured goods from East Coast cities to the West Coast, the railroad also facilitated international trade.