"United States" . . . . "A review of United States policy toward political negotiations in Angola hearing before the Subcommittee on Africa of the Committee on Foreign Affairs, House of Representatives, One Hundred First Congress, September 27, 1989"@en . . . . . . . . . . "A review of United States policy toward political negotiations in Angola : hearing before the Subcommittee on Africa of the Committee on Foreign Affairs, House of Representatives, One Hundred First Congress, September 27, 1989"@en . . . . "Since 1975" . . "Angola" . . . .