What was the most important economic event from 1848-1877?

One of the significant economic event in America during the period of 1848 to 1877 was the Civil War.

During the Civil War, the economy was seen prospered in the North than in the South whose economy was falling. The Southern Economy was in shattered with its currency invaluable, bankruptcy, fields with weeds. The Civil War not only brought destruction but affected the people who suffered from it.  

Northern coast

Explanation: