Task: Text Categorization
Input (English): This country's central region is dominated by the Bi plateau, and major cities include Luena, Malanje, and Uiga. Major ethnic groups include the Kimbundu and Makongo. The Cunene forms a southern border of this country, while the Kasai and Kwango rivers form part of the boundary with its neighbor to the north. Huambo and Namibe are other large cities, and after achieving independence in 1975, it collapsed into a bloody and lengthy civil war between the pro-Soviet MPLA and the US-backed UNITA separatists. For 10 points, name the African country that has been at fragile peace since 2002 while also struggling to maintain control of Cabinda, with a capital at Luanda.
Output (English): Social Science