How did the United States change following the Civil War?

The first three of these postwar amendments accomplished the most radical and rapid social and political change in American history: the abolition of slavery (13th) and the granting of equal citizenship (14th) and voting rights (15th) to former slaves, all within a period of five years.The Civil War paved the way for Americans to live, learn and move about in ways that had seemed all but inconceivable just a few years earlier. With these doors of opportunity open, the United States experienced rapid economic growth.The impact of the Civil War left social impacts like Emancipation and loss of men, political reasons like the federal government becoming more intrusive and more power of war time, and economic reasons like the northern economy booming, and slaves plantation economy in ruins.the United States defeated the Confederate States. In the end, the states that were in rebellion were readmitted to the United States, and the institution of slavery was abolished nation-wide.

Electricity is the answer