Answer:
slavery
The war effectively ended on April 9, 1865, when Confederate General Lee surrendered to Union General Grant at the Battle of Appomattox Court House, after abandoning Petersburg and Richmond. Confederate generals throughout the Southern states followed suit, the last surrender on land occurring on June 23. By the end of the war, much of the South's infrastructure was destroyed, especially its railroads. The Confederacy collapsed, slavery was abolis
