At the end of the Mexican Revolution in 1920, Mexico's large, rebellious army dominated national politics. By the 1940s, Mexico's Institutional Revolutionary Party (PRI) was led by a civilian president and claimed to have depoliticized the army and achieved the bloodless pacification of the Mexican countryside through land reform, schooling, and indigenismo. However, historian Thomas Rath argues, Mexico's celebrated demilitarization was more protracted, conflict-ridden, and incomplete than most accounts assume. Civilian governments deployed troops as a police force, often aimed at polit