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
Military history of Angola major role in country's struggle during the Angolan War of Independence. After the Independence, MPLA fought a civil war against the National Union for the Total Independence of Angola (UNITA) and National Liberation Front of Angola (FNLA) from 1975 to 2002. During the Angolan War of Independence many communist and African nations supported the rebels. The Cuban Military was heavily involved in the conflict aiding the MPLA. However, during the Angolan Civil War the Cuban Military would aid the MPLA while other nations such as the People's Republic of China and Zaire would support UNITA and the FNLA. The South