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
Latin America and the League of Nations peace which eventually would anticipate their actions in the United Nations. The Latin American nations became increasingly disillusioned with the League in the 1920s. This was partly due to the failure of the United States to join the League, and partly because the major powers in the League paid little attention to Latin America’s problems. The League did have some role in two conflicts in South America in the 1930s: the Leticia dispute between Colombia and Peru, and the Chaco War between Bolivia and Paraguay. Latin America and the League of Nations Nine Latin American nations became charter members of