Title: Grasping EU9: The Significant Role it Serves in the European Union

Comprising of nine states, EU9 has become an integral element of the European Union (EU). This cluster entered the EU in its 3rd enlargement phase in 2004, bringing diversity and fresh perspectives into the grand unity.

The EU9 countries include Hungary, Slovenia, Latvia, Lithuania, Poland, Estonia, Slovakia, Czech Republic, and Malta. These countries have given meaningful efforts towards broadening the aims of the European Union.

In this respect, grasping the role these nations holds in the EU is necessary for any study relating to international relations, politics, or European economics.

Since their induction, the states belonging to EU9 have added significantly towards shaping the policies of the European Union. Their geographical location offers important strategic edges, making them a considerable part of the EU's defense and security strategies.

Additionally, these states have significantly contributed to the European Union's financial strength. The EU9 nations' rapid economic development and willing integration into the European market has created heightened trade among other EU countries.

The cultural contribution of the EU9 is equally significant. These states introduce profound historical backgrounds, individual cultural practices, and varied languages, thus enhancing the variety of the EU.

The addition of EU9 has also impacted the EU9 internal politics within the EU. With their participation, the power dynamics have changed, with new coalitions and alliances developing.

In conclusion, the roles played by the EU9 countries are substantial. From economic influence to cultural richness, and from security strategies to political dynamics, EU9 has fortified the European Union's core strength. As such, an comprehensive understanding of the EU9 is vital to fully grasping the intricacies of the European Union.