Education in Angola that many of those studying abroad had either failed to complete their courses of study or had not returned to Angola. After independence from Portugal in 1975, Angolan students continued to be admitted to Portuguese high schools, polytechnical institutes and universities, through bilateral agreements between the Portuguese and the Angolan governments, most of them belong to the Angolan elites. However, many of those studying in European countries like Portugal and Russia failed to complete their courses of study or had not returned to Angola. Release of UNICEF's 1999 annual report on "The State of the World's Children" predicted that illiteracy
1960s in Angola exports doubled between 1965 and 1970 to 170 million pounds. In the district of Huambo, between 1968 and 1970 white-owned land more than doubled from 249,039 hectares to 526,270 hectares. Native-owned land decreased by 36.5%. The average African farm's gross income declined between 1964 and 1970 from $98.00 to $35.00 Portuguese petroleum-production began in Congo basin in the 1960s, and in the exclave of Cabinda in 1968. Now the petroleum industry is the engine of the Angolan economy. 1960s in Angola The 1960s in Angola were marked by the War of Independence (1961–1975). Portuguese police arrested Agostinho Neto of the