European Coal and Steel Community Treaties of Rome were signed by the six ECSC members, creating the European Economic Community (EEC) and the European Atomic Energy Community (EAEC or Euratom). These Communities were based, with some adjustments, on the ECSC. The Treaties of Rome were to be in force indefinitely, unlike the Treaty of Paris, which was to expire after fifty years. These two new Communities worked on the creation of a customs union and nuclear power community respectively. The Rome treaties were hurried through just before de Gaulle was given emergency powers and proclaimed the Fifth Republic. Despite his efforts to "chloroform" the Communities,
Yugoslavia and the European Economic Community refused the proposal. In June 1991 an EEC mission formed by the foreign ministers of Luxembourg, Italy and the Netherlands visited Belgrade, where they talked with Yugoslav Prime Minister Ante Marković, as well as Zagreb, where they talked with Presidents Milan Kučan of Slovenia and Franjo Tuđman of Croatia. The mission members stated that almost $1 billion in economic aid would be suspended if Yugoslav military offensive continued as well as that the EEC favors the preservation of Yugoslavia as a single entity. Members of the EEC were divided over the importance they should give to the potentially contradictory principles