With regard to EU enlargement

The foundations for a more integrated Europe were established in 1957 when six countries signed the Treaty of Rome and formed the European Economic Community (EEC). Since 1975 the EEC has become the EU, and has enlarged six times, and now comprises 27 member states.

The prospect of EU membership has been, and remains, a powerful incentive to change.The EU is the world's most powerful international organizations, in trade, agriculture, finance, and so tends to a unified federal state, while in internal affairs, national defense, foreign affairs and other areas is similar to an independent coalition of countries.

As more and more EU member states, the European Union to become more powerful self-confidence, status, more solid. so, The benefits of enlargement; Enlargement and global issues; Enlargement and economics;and Cultural Enlargement.