European Union and West Germany signed the Treaty of Rome, which created the European Economic Community (EEC) and established a customs union. They also signed another pact creating the European Atomic Energy Community (Euratom) for co-operation in developing nuclear energy. Both treaties came into force in 1958. The EEC and Euratom were created separately from the ECSC, although they shared the same courts and the Common Assembly. The EEC was headed by Walter Hallstein (Hallstein Commission) and Euratom was headed by Louis Armand (Armand Commission) and then Étienne Hirsch. Euratom was to integrate sectors in nuclear energy while the EEC would develop
European Economic Community European Parliament, members are allocated a set number seats related to their population, however these (since 1979) have been directly elected and they sit according to political allegiance, not national origin. Most other institutions, including the European Court of Justice, have some form of national division of its members. There were three political institutions which held the executive and legislative power of the EEC, plus one judicial institution and a fifth body created in 1975. These institutions (except for the auditors) were created in 1957 by the EEC but from 1967 onwards they applied to all three Communities. The Council