USA HISTORY

Detailed explanation-1: -Once their infrastructure was completed and initial problems resolved, the railways lowered the cost of transporting many kinds of goods. Railroads became a major industry, stimulating other heavy industries such as iron and steel production.

Detailed explanation-2: -The railroad opened the way for the settlement of the West, provided new economic opportunities, stimulated the development of town and communities, and generally tied the country together.

Detailed explanation-3: -Westward expansion and the growth of the United States during the 19th century sparked a need for a better transportation infrastructure. At the beginning of the century, U.S. citizens and immigrants to the country traveled primarily by horseback or on the rivers. After a while, crude roads were built and then canals.

Detailed explanation-4: -Every year, railroads save consumers billions of dollars while reducing energy consumption and pollution, lowering greenhouse gas emissions, cutting highway gridlock and reducing the high costs to taxpayers of highway construction and maintenance. More jobs and a stronger economy.