American Civil War course of four years. Intense combat left 620,000 to 750,000 people dead, more than the number of U.S. military deaths in all other wars combined. The war ended when General Robert E. Lee surrendered to General Ulysses S. Grant at the Battle of Appomattox Court House. Confederate generals throughout the southern states followed suit. Much of the South's infrastructure was destroyed, especially the transportation systems. The Confederacy collapsed, slavery was abolished, and four million black slaves were freed. During the Reconstruction Era that followed the war, national unity was slowly restored, the national government expanded its power, and civil rights
Rifles in the American Civil War such, officers typically failed to realize the power of rifles and continued to launch massed attacks against fortified enemies, which invariably resulted in heavy losses. For years, one of the standard manuals used in the US Army had been an 1835 translation by General Winfield Scott of a French work. Shortly before the Civil War, William J. Hardee (later to become a Confederate lieutenant general) updated it to include information on rifles, but he still assumed the use of linear formations in the book. Nonetheless, Hardee's book was produced in a huge variety of editions during the war, often for