Title: The school of hard knocks
Subjects: World War, 1914-1918, Unit cohesion, United States. Army. American Expeditionary Forces, Mobilization, Officers, Military morale, United States, Training of, Non-commissioned officers, Command of troops, Operational readiness, United States. Army, History, United states, army, officers, World war, 1914-1918, united states, Psychology, military, Military art and science, history
Places: United States
Time periods: 20th century