Cuban intervention in Angola the requested financial assistance (100,000US$) it received from Yugoslavia. Portugal's sudden retreat from Angola and Mozambique in 1975 ended a history of South African military and intelligence cooperation with Portugal against the Angolan and Namibian independence movements dating back to the 1960s, later formalized in a secret alliance codenamed Alcora Exercise. It also ended economic cooperation with regard to the Cunene hydro-project at the Angolan-Namibian border, which South Africa had financed. South African involvement in Angola, subsumed under what it called the South African Border War, started in 1966 when the conflict with the Namibian independence movement, South West Africa
Cuban intervention in Angola withdrawal of the last soldier from Angola on 25 May 1991, a total of 2,289 Cubans were killed. Other analysts have noted that of 36,000 Cuban troops committed to fighting in Angola from 1975 to 1979, combat deaths were close to 5,000 in number. Free elections in Namibia were held in November 1989 with SWAPO taking 57% of the vote in spite of Pretoria's attempts to swing the elections in favor of other parties. (see Martti Ahtisaari and History of Namibia). Namibia gained independence in March 1990. The situation in Angola was anything but settled and the country continued to