Mezue ahịrịokwu na-esonụ: Mgbe eze Monivong nwụrụ na 23 Eprel 1941 Gọvanọ-General nke French Indochina, Jean Decoux, họpụtara Sihanouk ka ọ nọchie ya. A họpụtara Sihanouk dị ka eze na-esote ụbọchị site n'aka kansụl okpueze nke Cambodia, emume nke okpueze ya mere na 3 Mee 1941. N'oge
N'oge ndị Japan na-achị Cambodia, o wepụtara oge ya niile na-eme egwuregwu, na-ese ihe nkiri, na-agagharịkwa n'ime ime obodo. Na March 1945, ndị agha Japan, bụ́ ndị weghaara Cambodia kemgbe August 1941, chụpụrụ ndị ọchịchị France na-achị ebe ahụ. N'ihi nrụgide ndị Japan, Sihanouk kwupụtara nnwere onwe Cambodia ma were ọnọdụ nke praịm minista ma na-eje ozi dị ka eze n'otu oge ahụ.