traditionally the Marxist-Leninist states with authoritarian governments and command economies based on the Soviet model; most of the original and the successor states are no longer Communist; see centrally planned economies
Conference on Security and Cooperation in Europe (CSCE)
see — Organization on Security and Cooperation in Europe (OSCE)
Conseil Europeen pour la Recherche Nucleaire (CERN)
see — European Organization for Nuclear Research (CERN)
Contadora Group (CG)
was established 5 January 1983 (on the Panamanian island of Contadora) to reduce tensions and conflicts in Central America; has evolved into the Rio Group (RG); members included Colombia, Mexico, Panama, Venezuela
Cooperation Council for the Arab States of the Gulf
see — Gulf Cooperation Council (GCC)
Coordinating Committee on Export Controls (COCOM)