Rubuta ci gaba don wannan sakin layi - A ƙarshen 1978, rabuwa tsakanin Sin da Soviet ya ci gaba zuwa rikice-rikice a kudu maso gabashin Asiya kamar yadda yaƙi
ya barke tsakanin Vietnam da Kampuchea, kasashe biyu da suka goyi bayan CPT. Laos, kasar da ta dauki bakuncin sansanonin PLAT da yawa, ta goyi bayan Vietnam a cikin takaddama. A watan Janairun 1979 gwamnati ta kori CPT da PLAT daga Laos, abin da ya zama koma baya ga jam'iyyar. Bunyen Worthong da wani karamin bangare na wasu tsoffin shugabannin dalibai da masu ilimi sun rabu da jagorancin jam'iyyar kuma a ranar 22 ga Oktoba 1979 suka kafa Jam'iyyar 'Yantar da Isan ta Thai (wanda ake kira "Pak Mai", 'Sabuwar Jam'iyyar') a Vientiane. "Pak Mai" jam'iyyar kwaminis ce da ke tallafawa matsayin Vietnam da Laos kuma tana zaune a Laos.