Ka cika wannan magana: Zaman lafiya da aka yi alkawarinsa ya kai shekara biyu kawai. Pathet Lao ya ki ya janye makamai kuma PAVN ba ta bar kasar ba. A ƙarshen Fabrairun 1975, Pathet Lao tare da taimakon PAVN, sun fara kai hari kan sansanonin gwamnati a Filayen Jars. Tare da faduwar gwamnatin Kambodiya ga Khmer Rouge a ranar 17 ga Afrilu da kuma
Bayan faduwar gwamnatin Kudancin Vietnam zuwa PAVN a ranar 30 ga Afrilu 1975 wadanda ba 'yan gurguzu ba na gwamnatin kasa sun yanke shawarar cewa barin Pathet Lao ya hau mulki zai fi kyau fiye da barin su su kwace shi da karfi. An kwashe Long Tieng a tsakiyar watan Mayu. A ranar 23 ga Agusta, 1975, sojojin Pathet Lao sun shiga babban birnin Vientiane.