Mezue ahịrịokwu na-esonụ: Njikọ nke ndị otu ahụ na-arụ ọrụ n'oge Nguyễn Văn Thiệu na-arụ ọrụ dị ka Onye isi ala ma gbanwee aha ya na "Social Democratic Alliance" na 1973. Otú ọ dị, site n'ụkpụrụ Vietnamization nke President Richard Nixon nke U.S. nakweere, South Vietnam malitere ịda n'ụzọ na-enweghị mgbagha. Nkwekọrịta Udo Paris nke afọ 1973 bụ ihe gbanwere ọnọdụ n'agha ahụ, na-akpata njedebe nke itinye aka America na Vietnam. N'agbanyeghị nkwekọrịta udo dị n'etiti ọchịchị Kọmunist nke Ebe Ugwu Vietnam na ọchịchị isi obodo nke Ebe Ndịda Vietnam, na 1975 North Vietnam mebiri udo ahụ ma malite iweghara South Vietnam. Ebe ọ bụ na United States jụrụ itinye aka ọzọ, South Vietnam dara mgbe agha ahụ gasịrị.
Ọdịda Saigon, nke mere ka e jikọtaghachi Vietnam n'okpuru ọchịchị Kọmunist.