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
Maastricht Treaty of the obligations of the treaty for the members was to keep "sound fiscal policies, with debt limited to 60% of GDP and annual deficits no greater than 3% of GDP". The treaty also created what was commonly referred to as the pillar structure of the European Union. The treaty established the three pillars of the European Union—one supranational pillar created from three European Communities (which included the European Economic Community (EEC), the European Coal and Steel Community and the European Atomic Energy Community), the Common Foreign and Security Policy (CFSP) pillar, and the Justice and Home Affairs (JHA) pillar.