Several leaders of this organization were killed in the Halloween Massacre, including Jeremias Chitunda.  
Kapessi Kafundanga was a leader of this organization, as was the awesomely named Abel Chivukuvuku.  Several leaders of this organization were killed in the Halloween Massacre, including Jeremias Chitunda.  Efforts to stop the activity of this group were led by UNAVEM, and this group protested elections soon after accepting the Protocol of Estoril and signing the Bicesse Accords.  A split in this organization led to the creation of the offshoot Renewal faction, and it is now led by (*) Isaias Samakuva.  Largely composed of members of the Chokwe and Ovimbundu ethnic groups, this organization allied with one led by Holden Roberto.  This group was opposed by Cuban troops, while it was itself supported by South Africa in a Cold War proxy war.  It allied itself with the FNLA in a 1975-2002 civil war, in which this group fought against Agostinho Neto and the MPLA, now led by José Eduardo dos Santos.  For 10 points, name this anti-Communist rebel group that went mainstream soon after the 2002 assassination of its leader, Jonas Savimbi, and which was active in Angola.
Kapessi Kafundanga was a leader of this organization, as was the awesomely named Abel Chivukuvuku.  
{UNITA} [or {National Union} for the {Total Independence} of Angola; or {União Nacional para} a {Independência Total} de Angola; accept {FALA}; accept {Armed Forces} for the {Liberation} of {Angola}; accept {Forças Armadas} de {Libertação} de {Angola}]