Agriculture in Angola raised, but production fell from 36,500 tons slaughtered in 1973 to only 5,000 tons in the early 1980s. This tremendous decrease was the result of a combination of factors, including the departure of the commercial farmers, increasing disruption from the war and the deterioration of facilities and services, especially vaccinations, crucial for livestock production. Agriculture in Angola Agriculture in Angola has a tremendous potential. Angola is a potentially rich agricultural country, with fertile soils, a favourable climate, and about 57.4 million ha of agricultural land, including more than 5.0 million ha of arable land. Before independence from Portugal in 1975,
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