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–Serbia relations and joint cooperation continued through the Breakup of Yugoslavia, and Angola has expressed its strong support for Serbia on the issue of Kosovo. The Defence minister of Serbia, Dragan Šutanovac, stated in 2011 meeting in Luanda that Serbia is negotiating with the Angolan military authorities for the construction of a new military hospital in the Angola. Angola–Serbia relations Angola–Serbia relations are foreign relations between Angola and Serbia. Both countries maintain diplomatic relations established between Angola and Socialist Federal Republic of Yugoslavia in 1975, following Angola's independence. Angola has an embassy in Belgrade, with ambassador Toko Diakenga Serao, and Serbia has