 Complete the following phrase:  Two of these referendums were held on the issue of the United Kingdoms relationship with Europe with the first held on the issue of continued membership of what was known at the time as the European Communities EC, which was the collective term for the European Coal and Steel Community ECSC, the European Economic Community EEC and the European Atomic Energy Community EAEC, and was also referred to by many at that time as the Common Market. This was the 