<prompt> Nyora kuenderera mberi kweiyi ndima - Muna Kubvumbi 1975, apo PAVN 1975 Spring Offensive yakaparadza chikamu chikuru chenyika, Chikamu chakaponesa Binh Thuy Air Base, iyo Arc Road Line kunze kweCan Tho, kuyambuka chikepe pakati peCan Tho-Binh Minh, Vinh Long dunhu uye misoro yematunhu kuAn Xuyen Ca Mau, Chuong Thien Hau Giang, Rạch Giá Kiên Giang, Bạc Liêu uye Ba Xuyen Soc Trang. Mangwanani-ngwanani aApril 30, 1975, maherikoputa akati wandei eRVNAF akatanga kurwisa nendege kumisa VC kutora zvikamu zveArc Road Line. Gare gare mangwanani iwayo Mutungamiri Dương Văn Minh akazivisa kuzviisa pasi kusingagumi kuNorth Vietnam  <response>: neredhiyo. General Lê Văn Hưng akatsamwiswa nemurayiro wokuzviisa pasi ndokuronga kuti chikwata cheARVN chibve chodzokera kumhenderekedzo kuti chienderere mberi nokurwisana. Varwi veDivision vakadzokera shure kubva kuArc Line kuti vadzivirire pakati peCan Tho, asi Hưng akachinja pfungwa dzake ndokuvarayira kuti vasadzivirire guta nekuda kwekutya kuparadzwa kwaizoguma. Na20: 00, vamiriri veVC 9th Military Region vakadaidzira kuti zvikamu zvese zveARVN zvizviise mangwanani e1 Chivabvu. Pana 20:45 Hưng akazviuraya pamusha pake panzvimbo pokuzviisa pasi. Mangwanani aMay 1 IV Corps commander Major General Nguyễn Khoa Nam akazviuraya padzimbahwe rake. Chikamu chacho chakanyatsopedzwa musi wa1 May 1975. 