Treaties of the European Union the Functioning of the European Union (originally signed in Rome in 1957 as the Treaty establishing the European Economic Community, aka The Treaty of Rome), lay out how the EU operates, and there are a number of satellite treaties which are interconnected with them. The treaties have been repeatedly amended by other treaties over the 65 years since they were first signed. The consolidated version of the two core treaties is regularly published by the European Commission. The two principal treaties on which the EU is based are the Treaty on European Union (TEU; Maastricht Treaty, effective since 1993) and
Economic history of Spain also lobbied successfully for Spain to join the European Economic Community (EEC) and to remain part of the North Atlantic Treaty Organization. The European Union at the time Spain joined, in 1986, existed primarily as a trading union - the EEC, and better trade links were vital to the fragile Spanish economy. Unemployment was high, about 18 percent, and the Spanish GDP was 71 percent of the EU average. The single market and European funding offered a chance to bring the Spanish economy up to the standards of the rest of Western Europe, along with the support of Spain's wealthier