Summary

Treaty of Lisbon: Article 1 - Treaty on European Union… (2007)

The Union shall establish an economic and monetary union whose currency is the euro. and through the establishment of economic and monetary union, ultimately including a single currency in accordance with the provisions of this Treaty;
5. In its relations with the wider world, the Union shall uphold and promote its values and interests and contribute to the protection of its citizens.
Source: Wikisource

Get perspective with Kwize: daily news enlightened by great literature