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
Music of Angola music for a wide variety of Angolan social gatherings. Its versatility is evident in its inevitable presence at funerals and, on the other hand, many Angolan parties. Semba is very much alive and popular in Angola today as it was long before that country's independence from the Portuguese colonial system on November 11, 1975. Various new Semba artists emerge each year in Angola, as they render homage to the veteran semba masters, many of whom are still performing. Other styles related to the Semba is Rebita, which is inspired by European line dances, as well as kazukuta and kabetula which