The first kind of action is to complete those initiatives that are already under way, because stopping half-way is the most dangerous option. We would partially disempower national states without creating – at Union level – the capacity to provide at least as much security to the people. The process of opening borders requires common institutions to safeguard freedom and fairness among its members.
A free and single market is not anarchy: it requires that all its members are subject to the same laws and rules; and that they all have recourse to the same courts where those laws can be applied uniformly. This is why a true single market is a political construct.