USA HISTORY

Detailed explanation-1: -Development of the telegraph industry. Although railroad traffic control was one of the earliest applications of the telegraph, it immediately became a vital tool for the transmission of news around the country.

Detailed explanation-2: -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-3: -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.

Detailed explanation-4: -Connecting the two American coasts made the economic export of Western resources to Eastern markets easier than ever before. The railroad also facilitated westward expansion, escalating conflicts between Native American tribes and settlers who now had easier access to new territories.

Detailed explanation-5: -Within ten years of its completion, the railroad shipped $50 million worth of freight coast to coast every year. 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.