Ngo Dinh Diem presidential visit to the United States became the Senate Majority Leader, while Mansfield—a Democrat from Montana—had been a professor of Asian history before entering politics; as a result his opinions about Vietnam were more influential and held in high regard by his fellow senators. In 1954, the French lost the Battle of Dien Bien Phu and the Geneva Conference was held to determine the future of Indochina. The Viet Minh were given control of North Vietnam, while the State of Vietnam controlled the territory south of the 17th parallel. The Geneva agreements, which the State of Vietnam did not sign, called for reunification elections to be
1954 Geneva Conference annihilating all the French troops. A demarcation line allowing the temporary regroupment of both sides would be necessary ..." The plenum endorsed Ho's analysis, passing a resolution supporting a compromise settlement to end the fighting. However, Ho and Truong Chinh plainly worried that following such an agreement at Geneva, there would be internal discontent and "leftist deviation," and in particular, analysts would fail to see the complexity of the situation and underestimate the power of the American and French adversaries. They accordingly reminded their colleagues that France would retain control of a large part of the country and that people