the ofeffective controls our external borders must important factor inasmuch as of the area depends the efficiency with which member controls its borders
The existence of effective controls along our external borders must be an important factor inasmuch as the security of the Schengen area depends on the efficiency with which each Member State controls its external borders.
The of effective controls our external borders must important factor inasmuch as of the area depends the efficiency with which Member controls its borders.