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 Avante an author who studied in Huambo and is affiliated with both the country's Writer Union and Union of Artists and Composers. He is one of the best-selling writers in the capital city Luanda – according to an "informal survey" conducted in July 2003 – and writes about "everyday life" in the country using satire and irony. The song was officially designated as the country's national anthem in 1975, when the country gained independence on November 11 of that year. It is enshrined under Article 164 of the constitution of Angola. Its lyrics refer to several key events in the history