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
Angola–United States relations the Republican administration of President Ford attempted to counter them. This was thwarted by the Tunney/Clark amendment, passed by a Democratic congress forbidding any involvement. The United States opposed Angola's membership in the United Nations from its declaration of independence in 1975 to its acceptance in December 1976. Angola did not have formal relations with the United States until 1993. Fidel Castro regarded the attitude of the United States: Why were they vexed? Why had they planned everything to take possession of Angola before 11 November? Angola is a country rich in resources. In Cabinda there is lots of oil.