Political map of South American nations 3 April 1982 (Falklands War): In 1982, partially to mobilize patriotic support in the face of its dwindling popularity, Argentina's military junta invaded the Falkland Islands (1982 invasion of the Falkland Islands) - a British colony long claimed by Argentina as Islas Malvinas (Falkland Islands sovereignty dispute). The British responded swiftly, assembling a task force and retaking the islands in just over 2 months (Falklands War). The defeat cost the junta its power and led to the restoration of democracy in Argentina (Argentine general election, 1983). However, the US decision to side with the UK against Argentina weakened its reputation in parts of Latin America and would help undermine the Rio Pact.