<prompt> Rambai muchinyora ndima ino - Hondo yeVietnam yaiva hondo yakarwiwa pakati pa1955 na1975 muSouth Vietnam uye munzvimbo dzakapoteredza Cambodia neLaos ona Hondo Yakavanzika  <response>: uye mukubhomba kwakarongwa ona Operation Rolling Thunder yeNorth Vietnam. Vapi vezano vokuAmerica vakauya mukupera kwama 1950 kuzobetsera RVN Republic of Vietnam kurwisa vapanduki vechiKomonisiti vaizivikanwa seViet Cong. Kubatanidzwa kukuru kwemauto eAmerica kwakatanga muna 1964, mushure mekunge Kongiresi yapa Mutungamiri Lyndon B. Johnson mvumo yakazara yekushandiswa kwesimba kwemutungamiri wenyika muGulf of Tonkin Resolution. 