What social, political, and economic changes resulted from the civil war?

the south economic structure was destroyed and The 13th amendment  abolished slavery and The Civil War had a greater impact on American society and the polity ,2 percent of the American population in 1861.

Explanation:

the most famous of all the units fighting in cuba, the "rough riders" was the name given to the first u.s. volunteer cavalry under the leadership of theodore roosevelt. roosevelt resigned his position as assistant secretary of the navy in may 1898 to join the volunteer cavalry. the original plan for this unit called for filling it with men from the indian territory, new mexico, arizona, and oklahoma. however, once roosevelt joined the group, it quickly became the place for a mix of troops ranging from ivy league athletes to glee-club singers to texas rangers and indians.

it proved indian land claims were unjustified.