Intergovernmental Conference on the Common Market and Euratom agreed to leave the military use of nuclear research out of the treaty, subject to international controls. The US also opposed the emergence of an independent European nuclear force. The Suez crisis of 1956, which exposed the vulnerability of Europe regarding its energy supplies had an influence on the negotiations. The conference would lead to the Treaties of Rome being signed on 25 March 1957. They established the European Economic Community (EEC) and the European Atomic Energy Community (Euratom) among the members of the ECSC. Intergovernmental Conference on the Common Market and Euratom The Intergovernmental Conference on the Common Market
Statistical Classification of Economic Activities in the European Community systems: NACE uses four hierarchical levels: The first four digits of the code, which is the first four levels of the classification system, are the same in all European countries. National implementations may introduce additional levels. The fifth digit might vary from country to country and further digits are sometimes placed by suppliers of databases. The 21 Level 1 codes are: For a full list of NACE Codes, please refer to: 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