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
Union of South American Nations in United Nations peace operations, promoting the exchange of analyzes on the world defense scenarios and the integration of industrial bases of military equipment. The South American Council of Health is a UNASUR body established and approved on 16 December 2008, which brings together health ministers of the member states to develop regional programs in the region. Area of public health to be jointly financed by the South American bloc, to coordinate the energy policy of Unasur. It was created by decision of the Heads of State and Government of UNASUR, meeting extraordinarily in the Coast of Sauipe, Bahia, Brazil