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
Voting in the Council of the European Union analysis of the distribution of voting power under different voting rules in the EU Council often requires the use of complex computational methods that go beyond a mere calculation of vote share, such as the Shapley-Shubik index or the Banzhaf measure. According to Article 148 of the Treaty establishing the European Economic Community (EEC Treaty), acts of the Council required for their adoption: The values above are related to the EU-6, the founding member states. The treaty allocated the votes as follows: Under this system, Luxembourg had no voting power for acts proposed by the Commission. Article 148 of the