firstly on strengthening shangion the free movement of his want of achievements of you and schengeon is of union's major pillars
Firstly, on strengthening Schengen: the free movement of people is one of the greatest successes and achievements of the EU, and Schengen is one of the Union's major pillars.
Firstly, on strengthening Schengen: the free movement of is one of achievements of EU, and Schengen is of Union's major pillars.