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.
Cape Verde United States. Immediately following the November 1980 coup in Guinea-Bissau, relations between Cape Verde and Guinea-Bissau became strained. Cape Verde abandoned its hope for unity with Guinea-Bissau and formed the African Party for the Independence of Cape Verde (PAICV). Problems have since been resolved and relations between the countries are good. The PAICV and its predecessor established a one-party system and ruled Cape Verde from independence until 1990. Responding to growing pressure for pluralistic democracy, the PAICV called an emergency congress in February 1990 to discuss proposed constitutional changes to end one-party rule. Opposition groups came together to form the