USA HISTORY

Detailed explanation-1: -Beginning in the early 1870s, railroad construction in the United States increased dramatically. Prior to 1871, approximately 45, 000 miles of track had been laid. Between 1871 and 1900, another 170, 000 miles were added to the nation’s growing railroad system.

Detailed explanation-2: -Railroads Built in the Late 1800s. Between 1870 and 1890, the amount of railroad track in the United States tripled, dramatically changing the U.S. Although trains traveled slowly by today’s standards, they sped along the tracks more quickly than anyone could have imagined a century before.

Detailed explanation-3: -First was the Civil War; second was the continuing tide of westward expansion; third was the American Industrial Revolution. Common to all was the railroad. It not only enabled the preservation of the Union, but also permitted the kind of rapid industrialization that made the United States a world power.

Detailed explanation-4: -Between 1860 and 1890, the miles of railroad track interlacing the U.S. increased ninefold-from 30, 000 miles to 270, 000 miles, and the population leapt from 31, 000, 000 to over 76, 000, 000 people.