Subject(s): Africa, Eastern -- Politics and government -- 1960 -- Insurgency -- Africa, Eastern -- History -- 20th century -- Guerrillas -- Africa, Eastern -- History -- 20th century -- Liberia -- Politics and government -- 1980 -- Insurgency -- Liberia -- history -- 20th century -- Guerillas -- Liberia -- 20th century -- Sierra Leone -- Politics and government -- 1961 -- Insurgency -- Sierra Leone -- History -- 20th century -- Guerillas -- Sierra Leone -- History -- 20th century