Pescatore, Pierre Keywords: International relations | European Economic Community | Mots clefs: C.E.E. | Relations internationales | ABSTRACT Pierre Pescatore explains in this course that economic integration necessarily entails the need for unity of action in external relations. The author therefore examines the legal form given to the Communities in order to make them fit for action in the sphere of external relations. After a historical review of the external relations of international organizations, the autho…