In this 1864 letter from Vicksburg to Maj. Roswell M. Sawyer, a fellow officer and friend, Maj. Gen. William T. Sherman outlines his views on warfare against civilians and reveals his views on the hardening Union policy toward the South as the conflict evolved into a harsher, total war.

Before joining the war effort in America, female pilots packed their bags and sailed to England. These women were the first to join the war effort, ferrying planes in the Air Transport Auxiliary, or The ATA. Known as Atta Girls, the story of these American women is brought to life by author Becky...