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 absorbed into the newly consolidated European Union which merged in the other two pillars (however Euratom remained distinct). This was originally proposed under the European Constitution but that treaty failed ratification in 2005. The main aim of the EEC, as stated in its preamble, was to "preserve peace and liberty and to lay the foundations of an ever closer union among the peoples of Europe". Calling for balanced economic growth, this was to be accomplished through: For the customs union, the treaty provided for a 10% reduction in custom duties and up to 20% of global import quotas. Progress on