In 1985, Nyerere stood down and was succeeded by Ali Hassan Mwinyi, who reversed many of Nyerere's policies. He remained chair of Chama Cha Mapinduzi until 1990, supporting a transition to a multi-party system, and later served as mediator in attempts to end the Burundian Civil War
Mu chaka cha1985 Nyerere adayima pansi ndipo adalowa m'malo mwa Ali Hassan Mwinyi yemwe adasintha mfundo zambiri za Nyerere. Adakhala wapampando wa chipani Cha Mapinduzi mpaka chaka cha1990, ndikuthandizira kusintha kwa zipani zambiri, ndipo pambuyo pake adakhala mkhalapakati poyesa kuthetsa nkhondo yapachiweniweni ya Burundi