 Ramba uchiverenga ndima iyi - Somutungamiriri wekuramba, Thảo akapiwa basa rekudzidzisa boka re1947 revatsva nemafungiro eVietminh. Mumwe wevadzidzi vaThao akanga ari muvengi wake womunguva yemberi, Mukuru weSouth Vietnamese uye Mutungamiri Nguyễn Khánh. Boka iri rakava Bataillon yechi 410 ndokupfuurira kurwa pedyo neCà Mau, rutivi rwokumaodzanyemba zvikurusa rweVietnam. Pakazosvika 1949, Thảo akanga achitungamirira sangano reVietminh rekuongorora zvakapoteredza Saigon uye akaronga makambani emagandanga kumaruwa. Thảo aibatanidzwawo mukutenga zvombo. Vatengesi vePhilippines vakaunza zvombo muSouthern Vietnam mukutsinhana nemupunga, shrimp, nyama yenguruve, ndarama nemari. Kutevera kukundwa kweFrance muna 1954 pa Điện Biên PhủThảo akabatsira kubvisa varwi vemakomonisiti kubva kuSouth Vietnam neCambodia maererano nemitemo yeGeneva Conference. Pasi peZvibvumirano izvi, Vietnam yaifanira kupatsanurwa kwenguva pfupi pa17th parallel yakamirira sarudzo dzenyika yekubatanidza nyika muna 1956, uye mauto aifanira kubviswa kune avo mativi emuganhu. Munguva iyi, Hồ Chí Minhs Vietminh yaidzora kuchamhembe pasi peDRV apo kumaodzanyemba kwaive pasi peFrance-inotsigirwa neHurumende yeVietnam. 