Tanzania's ruling party, Chama Cha Mapinduzi (CCM), over the past few years increasingly has confronted the growing influence of opposition parties. 
Chama kinachotawala nchini Tanzania, Chama cha Mapinduzii (CCM), kwa miaka kadhaa iliyopita kimekuwa kikipata ushindani unaoendelea kukua siku kwa siku kutoka kwenye vyama vya Upinzani nchini humo.