Cape Verde independence for the archipelago in 1975. Following the April 1974 revolution in Portugal, the PAIGC became an active political movement in Cape Verde. In December 1974, the PAIGC and Portugal signed an agreement providing for a transitional government composed of Portuguese and Cape Verdeans. On 30 June 1975, Cape Verdeans elected a National Assembly which received the instruments of independence from Portugal on 5 July 1975. In the late 1970s and 1980s, most African countries prohibited South African Airways from overflights but Cape Verde allowed them and became a centre of activity for the airline's flights to Europe and the
Cape Verde–United States relations (Prime Minister Neves also visited the U.S. in September 2007.) The United States provided emergency humanitarian aid and economic assistance to Cape Verde in the period immediately following Cape Verde's independence, as well as after natural disasters, including a hurricane that struck the island of Brava in 1982, and after a severe volcanic eruption on Fogo in 1995. Cape Verde also is eligible for trade benefits under the African Growth and Opportunity Act (AGOA), and has signed an Open Skies agreement to facilitate air travel safety and expansion. On July 4, 2005, Cape Verde became the third country to sign