African Party for the Independence of Cape Verde a guerrilla warfare campaign in cooperation with its fraternal party umbrella group, the CONCP, during the Portuguese Colonial War. By 1973 the PAIGC controlled Guinea-Bissau, while Portugal's own Carnation Revolution in 1974 effectively dissolved the empire, relinquishing Cape Verde within the next year. After the wars of national liberation, the PAIGC established a socialist state within both territories under Amilcar Cabral's brother, Luís Cabral. Following a military coup in Guinea-Bissau that ousted Cabral in November 1980, the Cape Verde portion of the party became the PAICV in January 1981; it was headed by the President of Cape Verde, Aristides Pereira.
Boa Vista, Cape Verde salt deposits, which were mainly exploited by the English. In 1820, after many pirate attacks, the population moved to Porto Inglês, later renamed Sal Rei, which had been founded at the end of the 18th century. As did much of the Cape Verdean economy, the exploitation of salt on Boa Vista also relied largely on slavery. A Portuguese-British commission to end slavery was established in Boa Vista in 1842, but slavery was not completely abolished until 1876. Until 1935 the municipality of Boa Vista also covered the island of Sal. In 1975, Cape Verde declared its independence. Administratively, the island