the proposed legislation concerning United States participation in the Organization for Trade Cooperation; the major developments relating to the general provisions and administration of the General Agreement; the actions of the United States relating to its trade agreements program; the recent developments with respect to European economic integration, such as the Common Market and the proposed European free-trade area; the present relationship to the General Agreement of the various multilateral associations and regional groupings of countries that have grown up since World War II; and the changes made in exchange controls and quantitative trade restrictions by countries with which the United States has trade agreements.