War destroys, but it also inspires, stimulates, and creates. It is, in this way, a muse, and a powerful one at that. The American Civil War was a particularly prolific muse--unleashing with its violent realities a torrent of language, from soldiers' intimate letters and diaries to everyday newspaper accounts, great speeches, and enduring literary works. In Belligerent Muse, Stephen Cushman considers the Civil War writings of five of the most...