European Communities and a European Political Community failed leading to a return to economic matters. In 1957, the EAEC and EEC were created by the Treaties of Rome. They were to share some of the institutions of the ECSC but have separate executive structures. The ECSC's aim was to combine the coal and steel industries of its members to create a single market in those resources. It was intended that this would increase prosperity and decrease the risk of these countries going to war through the process of European integration. The EAEC was working on nuclear energy co-operation between the members. The
Statistical Classification of Economic Activities in the European Community Statistical Classification of Economic Activities in the European Community The Statistical Classification of Economic Activities in the European Community, commonly referred to as NACE (for the French term ""nomenclature statistique des activités économiques dans la Communauté européenne""), is the industry standard classification system used in the European Union. The current version is revision 2 and was established by Regulation (EC) No 1893/2006. It is the European implementation of the UN classification ISIC, revision 4. There's a correspondence between NACE and United Nations' International Standard Industrial Classification of all Economic Activities. NACE is similar in function to the SIC and NAICS