Quick Guide: European Union constitution
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Europe's rule book

Streamlining

Foreign and defence policy

More key features

Political arguments

Referendums

Foreign and defence policy
The EU has sent peacekeepers to DR Congo and Macedonia

The constitution re-commits the EU to a common foreign policy and says it should develop a common defence policy.

It creates an EU foreign minister to co-ordinate diplomatic and foreign aid activities, and a diplomatic service.

But states must agree foreign policy unanimously. If they disagree, as over Iraq, the minister is powerless.

The constitution allows members to opt in or out of co-operation on defence. It also establishes an agency to co-ordinate arms procurement by EU states.