established - 14 February 1967 under the Treaty of Tlatelolco; effective - 25 April 1969 on the 11th ratification of the treaty

aim - to encourage the peaceful uses of atomic energy and prohibit nuclear weapons

members - (33) Antigua and Barbuda, Argentina, The Bahamas, Barbados,
Belize, Bolivia, Brazil, Chile, Colombia, Costa Rica, Cuba, Dominica,
Dominican Republic, Ecuador, El Salvador, Grenada, Guatemala, Guyana,
Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panama, Paraguay, Peru,
Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines,
Suriname, Trinidad and Tobago, Uruguay, Venezuela

Andean Community of Nations (CAN): note - formerly known as the Andean
Group (AG), the Andean Parliament, and most recently as the Andean
Common Market (Ancom)

established - 26 May 1969; present name established 1 October 1992; effective - 16 October 1969

aim - to promote harmonious development through economic integration

members - (5) Bolivia, Colombia, Ecuador, Peru, Venezuela

Arab Bank for Economic Development in Africa (ABEDA): note - also known as Banque Arabe de Developpement Economique en Afrique (BADEA)

established - 18 February 1974; effective - 16 September 1974

aim - to promote economic development