<prompt> Qedela umusho olandelayo: NgoJanuwari 1962, phakathi nokuqala  <response>: Impi Yombango yaseLaos, uNdunankulu uSouvanna Phouma washaya isivumelwano sokusiza amazwe angaphandle ne-Peoples Republic of China PRC. AmaShayina angamaKhomanisi ayezokwakha imigwaqo enyakatho-ntshonalanga yeLaos naphezu kweMpi Yombango yaseLaos eyayisaqhubeka. Njengengxenye yalolu hlelo, ngemuva kokunqotshwa kweNam Bac ngomhlaka-14 Januwari 1968, onjiniyela baseChina baqala ukwakha umgwaqo ongu-46 osuka esifundazweni saseYunnan eningizimu yeNam Beng Valley ubheke ePakbeng, eyayiseduze noMfula iMekong. Njengoba ukwakhiwa komgwaqo kusondela emngceleni waseThailand, futhi bekugadwe amasosha aseChina nezibhamu ezilwa nezindiza, uHulumeni waseRoyal Thai i-RTG wakhathazeka ngamathuba okuhlasela kweChina nokusekelwa kweChina kwiQembu LamaKhomanisi laseThailand. 