. Vietnam had become entangled in the ColdWar maneuvers of the United States and Communist countries. Today many Americans still question the neccessity of U.S. military force in theVietnam conflict. It was also clear to President Johnson that American militaryinvolvement must not reach levels that would provoke the Chinese and Soviet into directintervention. Officailly the U.S. only provided helicopters, gunships, and napalm forfighting and Clark Clifford the secretary of defense said: ” we have no military plan toend the war.” ...