context: Tanganyika African National Union (TANU) kilikuwa chama kilichotawala Tanganyika na Tanzania hadi muungano wa chama hiki na Chama cha Afro-Shirazi cha Zanzibar ulipounda Chama cha Mapinduzi (CCM) mwaka 1977.
question: Chama cha kisiasa cha Chama Cha Mapinduzi kilianzishwa mwaka upi?
answers.text: 1977