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 negotiations to that end should resume at an appropriate time. The Belgian and British delegations said that while they were not going to accept "the Soviet and Chinese proposals, that did not mean a rejection of the ideas they contained". In the end, however, the conference participants did not agree on any declaration. While the delegates began to assemble in Geneva from late April, the discussions on Indochina did not begin until May 8, 1954. The Viet Minh had achieved their decisive victory over the French Union forces at Dien Bien Phu the previous day. The Western allies did not