River Warfare in Vietnam

America's entrance into the wars in Vietnam came as a result of several factors. Among them was the necessity of bolstering French influence in the area in the face of mounting communist expansion. This expansion was intensified by the outbreak of the Korean War, making it necessary for the United States to revamp its Southeast Asian policy. During the French era, control of Vietnam's rivers, streams and canals became necessary. This led various factions to develop specialized military units hea