The document discusses several international economic organizations including the International Monetary Fund (IMF), World Bank, Organization for Economic Cooperation and Development (OECD), Organization of the Petroleum Exporting Countries (OPEC), European Union (EU), and North American Free Trade Agreement (NAFTA). It provides background on when and why each organization was formed and their general purposes which include promoting economic stability, development assistance, policy coordination, oil market influence, regional economic and political integration, and free trade.