Civil War ended in 1865 when Robert E. Lee surrendered to Ulysses S. Grant at Appomattox, Virginia. Over 600,000 soldiers died in the Civil War, more than all the wars in total the United States has ever fought. Because most of the war had been waged in the South, many of the southern states suffered severe damages. The war, however, ended slavery and reunited all the states. Idea: The Civil War changed ideas regarding battle. Research to find out what new machinery and which different strategies were used. Children could learn more at: Civil War Surrender.