What needed to be rebuilt after the war?
View of Broad Street, Charleston, South Carolina, 1865, looking east with the ruins of the Cathedral of St. John and St. Finbar visible. Glass wet collodion negative. The Library of Congress, Washington, D. C.

The Civil War caused a great deal of destruction, particularly in the South. Many homes and businesses were destroyed, and the South's economy was ruined.

View of Broad Street, Charleston, South Carolina, 1865, looking east with the ruins of the Cathedral of St. John and St. Finbar visible. Glass wet collodion negative. The Library of Congress, Washington, D. C.

By Excel23 [CC0], from Wikimedia Commons

The nation desperately needed to rebuild and reunite after the Civil War.