Union of South American Nations in Mitad del Mundo, Ecuador, where the cornerstone was laid for the headquarters of the General Secretariat of the Union. In April 2018, six countries suspended membership: Argentina, Brazil, Chile, Colombia, Paraguay and Peru. In August 2018, Colombia announced its withdrawal from the organization. At the Third South American Summit on 8 December 2004, presidents or representatives from 12 South American nations signed the "Cusco Declaration", a two-page statement of intent announcing the foundation of the South American Community. Panama and Mexico attended the signing ceremony as observers in Brazil. The mechanics of the new entity came out of the
South American nations at the FIFA World Cup the Americas. South American nations at the FIFA World Cup Nine of ten members of the South American Football Confederation (CONMEBOL) have competed in the men's FIFA World Cup finals. National association football teams from CONMEBOL have won the tournament nine times, including Brazil's record five championships. CONMEBOL countries have hosted the finals five times. The team ranking in each tournament is according to FIFA. The rankings, apart from the top four positions (top two in 1930), are not a result of direct competition between the teams; instead, teams eliminated in the same round are ranked by their full results