USA HISTORY

Detailed explanation-1: -In the decades following the Civil War, the United States emerged as an industrial giant. Old industries expanded and many new ones, including petroleum refining, steel manufacturing, and electrical power, emerged.

Detailed explanation-2: -The Union’s industrial and economic capacity soared during the war as the North continued its rapid industrialization to suppress the rebellion. In the South, a smaller industrial base, fewer rail lines, and an agricultural economy based upon slave labor made mobilization of resources more difficult.

Detailed explanation-3: -Increased domestic and foreign trade opportunities strengthened the economy and encouraged the government to become more involved in foreign relations.

Detailed explanation-4: -Wartime devastation led to increased demand for agricultural mechanization by the 1870s. The number of farms in the country increased greatly in the post war years, as did industrial expansion in general.