1990s in Angola government, UNITA, and the UN with the governments of Portugal, the United States, and Russia observing, to oversee its implementation. Violations of the protocol's provisions would be discussed and reviewed by the commission. The protocol's provisions, integrating UNITA into the military, a ceasefire, and a coalition government, were similar to those of the Alvor Agreement which granted Angola independence from Portugal in 1975. Many of the same environmental problems, mutual distrust between UNITA and the MPLA, loose international oversight, the importation of foreign arms, and an overemphasis on maintaining the balance of power, led to the protocol's collapse. In January
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.