The history of the European Union (EU) began soon after WWII, when there developed in Europe a strong revulsion against national rivalries and parochial loyalties. The idea of a united Europe was seen as the basis for European strength and security, and the European Coal and Steel Company, established in 1951, was the first attempt at accomplishing this. In 1992, the Maastricht Treaty, formally the Treaty on European Union, officially established the EU. How many member states does the EU have? Discuss