Abstract

The Republic of Vietnam was officially founded in 1955 under the absolute leadership of Ngo Dinh Diem. In the period from 1955 to 1963, the foreign policy of the Republic of Vietnam focused mainly on anti-Communist mission as a pioneering country in anti- Communist coalition of the U.S support behind. During its deployment, the Ngo Dinh Diem government initially attained certain achievements in diplomatic activities, building relationships with many countries in the Capitalist Bloc, establishing an anti-Communist network under U.S leadership. In general, the Diem government’s diplomacy was only the implement of the U.S foreign policy which has been established for the new U.S colonial government in the South of Vietnam. Starting in 1960, the Ngo Dinh Diem government was against the direction of the U.S that led to the U.S decision of willingness to accept the coup of the Saigon Military Forces (Republic of Vietnam Military Forces) that overthrew Ngo Dinh Diem (11/01/1963).