Mezue ahịrịokwu na-esonụ: "Udo nke Na-eweta Nsọpụrụ" bụ ahịrịokwu nke Onyeisi ala U.S. Richard M. Nixon ji mee ihe n'okwu o kwuru na January 23, 1973, iji kọwaa Nkwekọrịta Udo Paris iji kwụsị Agha Vietnam. Nkebi ahịrịokwu ahụ bụ mgbanwe nke nkwa mkpọsa Nixon kwere na 1968: "Ana m ekwe gị nkwa na anyị ga-enwe njedebe dị ùgwù na agha Vietnam". Nkwekọrịta ahụ kwuru na a ga-enwe nkwụsịtụ ọgbụgba ọkụ mgbe ụbọchị anọ gasịrị. Dabere na atụmatụ ahụ, n'ime ụbọchị iri isii nke nkwụsịtụ agha, ndị North Vietnam ga-atọhapụ ndị mkpọrọ US niile, ndị agha US niile ga-apụ na South Vietnam. Na March 29, 1973, onye agha ikpeazụ nke United States hapụrụ Vietnam. N'April 30, 1975,
Ndị agha North Vietnam weghaara Saigon.