Kammala jumla mai zuwa: Ba da daɗewa ba bayan haka, Caodaism ya fara jan hankalin masu ruwa da tsaki na siyasa daban-daban saboda ra'ayoyinta na tawaye wanda daga ƙarshe ya ga wasu ɓangarorinta suna shiga cikin tawaye da Faransawa, Jafananci da Kwaminisanci har zuwa shekarun 1950. A sakamakon haka, an kawar da addinin, an daure shugabanninsa, kuma mabiyansa sun danne a karkashin gwamnatocin siyasa daban-daban, wanda ya haifar da faduwar tasirinsa a cikin al'umma. Kamar yadda sojojin kwaminisanci suka sami cikakken iko bayan
Saigon ta fadi a 1975, zalunci na addini ga Caodaists ya tsananta, kuma an haramta addinin a hukumance. Kamar yadda babban Tây Ninh Holy See da sauran wurare suka kasance masu tsattsauran ra'ayi da kuma haramta ayyukan addininsu na waje, kusan yana da alama cewa addinin zai ɓace ba tare da wani shugabanni na gaba don jagorantar shi ba. Yawancin mabiyanta sun shiga cikin ƙasa don tsira, yayin da wasu suka nemi mafaka a ƙasashen waje daga zalunci na addini, don haka ƙirƙirar al'ummomin ƙaura a ƙasashe a duk faɗin duniya. Bayan lokacin sauye-sauyen tattalin arziki a cikin shekarun 1990, Caodaism ya sami damar tayar da kasancewar jama'a ta hanyar sake buɗe wuraren bautarsa yayin da kasancewar addini ya sake samun halalcin jihar. Duk da haka, an haramta wannan al'ada ta zama mai rikitarwa har yau.