Rubuta ci gaba don wannan sakin layi - Jamhuriyar Demokradiyyar Vietnam karkashin Ho Chi Minh ta yi ikirarin mamaye dukkan Vietnam, amma a wannan lokacin Kudancin Vietnam tana cikin rikice-rikicen siyasa. Rushewar Faransa, sannan ikon Japan, wanda ya biyo bayan rashin jituwa tsakanin bangarorin siyasa a Saigon ya kasance tare da yaduwar tashin hankali a karkara. A ranar 16 ga Agusta, 1945, Hồ Chí Minh ya shirya Babban Taron Kasa a Tân Trào. Taron ya amince da manyan manufofi 10 na Việt Minh, ya zartar da Dokar Tashin hankali, ya yanke shawarar tutar kasa, a tsakiya tare da tauraron zinare mai maki 5, ya zaɓi taken kasa kuma ya zaɓi Kwamitin 'Yanci na Vietnam, wanda daga baya ya zama Gwamnatin Juyin Juya Hali, wanda Hồ Chí Minh ya jagoranta. A ranar 12 ga Satumba, 1945, sojojin Burtaniya na farko sun isa Saigon. A ranar 23 ga Satumba kwanaki 28 bayan mutanen Saigon sun kwace ikon siyasa, sojojin Faransa sun mamaye ofisoshin 'yan sanda, ofishin gidan waya, da sauran gine-ginen jama'a. Babban gaskiyar siyasa ta rayuwa a Arewacin Vietnam ita ce rundunar sojojin kasar Sin ta kasar Sin, kuma kasancewar kasar Sin ta tilasta wa Ho Chi Minh da Viet Minh su dauki bakuncin 'yan kasar Vietnaman da ke goyon bayan kasar Sin. A watan Yunin 1946, sojojin Nationalist na kasar Sin sun kwashe Hanoi, kuma a ranar 15 ga Yuni, rukunin karshe sun shiga Haiphong. Bayan ficewar Birtaniyya a 1946, Faransawa sun mallaki wani bangare na Cochinchina, Kudancin Central Coast, Central Highlands tun ƙarshen Yakin Resistance na Kudancin
Ka yi haƙuri. A watan Janairun 1946, Viet Minh ya gudanar da zaɓe a duk faɗin ƙasar a duk larduna don kafa Majalisar Nationalasa. Shahararren jama'a game da wannan taron ya nuna cewa Viet Minh ya sami babban farin jini a wannan lokacin, kodayake akwai 'yan tsere masu gasa kuma an ƙaddara tsarin jam'iyyar na Majalisar kafin jefa kuri'a. Duk da cewa ba su shiga zaben ba, Việt Cách da Việt Quốc sun sami kujeru 70 a Majalisar Dokoki don kafa gwamnatin hadin gwiwa.