The Sorrows of Empire: Militarism, Secrecy, and the End of the Republic

* Men and women killed in action on both sides in the Civil War amounted to 4.8 percent of those in the armed forces, whereas it was 1.8 percent during World War II. The number of dead from all causes in the Civil War was 14.4 percent but only 2.5 percent for World War II. The number of casualties, both killed and injured, in the Civil War was 25.1 percent of those in uniform but only 6.6 percent for World War II.