At the time , the Bình Xuyên was licensed Preventing_or_letting with controlling Control the national police by Emperor Bảo Đại , and Prime Minister Ngô Đình Diệm issued an ultimatum for them to surrender Surrendering and come Arriving under state control Control .

The conflict pitted a range of forces , including the French Union 's French Far East Expeditionary Corps , led by France and supported Supporting by Bảo Đại 's Vietnamese National Army against the Việt Minh , led by Hồ Chí Minh and the People 's Army of Vietnam led by Võ Nguyên Giáp .

The DRV ruled Control as the only civil government in all of Vietnam for a period of about 20 days , after the abdication Change_of_leadership of Emperor Bảo Đại , who had governed Control under Japanese rule .

In 1949 , they put Placing former Emperor Bảo Đại back in power , as the ruler of a newly established Building State of Vietnam .

The south continued under Bảo Đại .

A year later , Bảo Đại would be deposed Change_of_leadership by his prime minister , Ngô Đình Diệm , creating Creating the Republic of Vietnam .