As the Great War dragged on and its catastrophic death toll mounted, a new artistic movement found its feet in the United Kingdom. The Trench Poets, as they came to be called, were soldier-poets dispatching their verse from the front lines. Known for its rejection of war as a romantic or noble enterprise, and its plainspoken condemnation of the senseless bloodshed of war, Trench Poetry soon became one of the most significant literary moments of...