To what extent has European Union law enabled EU citizens and others to move freely within the European Union?

To what extent has European Union law enabled EU citizens and others to move freely within the European Union? Answer by reference to relevant secondary legislation and case law. Question Two: The classical separation of powers analysis does not apply to the European Union law making process. Instead of separation of powers, there is separation of interests. In light of the above statement, examine and evaluate the organisation of powers and duties within the institutions of the European Union by addressing the criticism of democratic deficit within the Union.