<prompt> Pedzisa mutsara unotevera: Hondo yeVietnam yakapera zvinobudirira kuNorth Vietnam muna  <response>: Kubvumbi 1975. Nguva itsva yeshanduko yeVietnamese yakanga yavhurwa: nguva yerusununguko rwenyika, kubatanidzwa uye kushamwaridzana. 