A single market trade bloc composed of 28 members and a population of 512 million.
It guarantees the free movement of goods, capital and people.
A single currency, the euro, has been adopted by 19 members.
Uniform product labour and environment regulations.
The founding Treaty of Rome in 1957 committed members to work towards an 'ever closer union'
Political globalisation with the European Parliament and some foreign policy determined at EU level
The original political aim was to integrate economies, so that interdependence prevents war.