EU9, is now a significant component of the EU. This cluster became part of the EU in its third growth phase in 2004, implanting new ideas and cultural diversity into the Union's mix.
The states in EU9 include Poland, https://neilddzu127372.popup-blog.com/29125755/title-getting-to-know-eu9-the-crucial-role-it-hold-in-the-european-union