Slavery in Angola within the first six months of 1961. The Portuguese Army and Air Force put down the uprising and blacked out the incident to the press. The People's Movement for the Liberation of Angola (MPLA) said the Portuguese military killed ten thousand people in the massacre. Conservative estimates are around 400 casualties. These events are considered the beginning of the Portuguese Colonial War (1961-1974). After the April 1974 Carnation Revolution in Lisbon, Angola was offered independence from Portugal. After independence in 1975, during the Angolan Civil War (1975-2002), both the largest opposition group, National Union for the Total Independence of Angola
United Nations Angola Verification Mission II (MPLA), the "de facto" government of Angola, with control of Luanda and most of the country since independence in 1975, and the National Union for the Total Independence of Angola (UNITA). The mission's original mandate was established by United Nations Security Council Resolution 696 (1991), passed on May 30, 1991. The stated mandate was: to verify the arrangements agreed by the Angolan parties for the monitoring of the ceasefire and for the monitoring of the Angolan police during the ceasefire period. The subsequent resolution Resolution 747 (1992), passed March 24, 1992 altered the mandate to include electoral monitoring duties. During