EU9, is now a significant element of the EU. This entity joined the EU in its 3rd expansion phase in 2004, injecting diversity and fresh perspectives into the grand unity.

The states in EU9 include Poland, Lithuania, Latvia, Hungary, Czech Republic, Slovakia, Slovenia, Estonia, and Malta. These nations each have made substantial contributions towards broadening the goals of the European Union.

In website this respect, knowing the role EU9 holds in the EU is required for any study relating to international relations, politics, or European economics.

Right from their admission, the EU9 nations have contributed substantially towards shaping the European Union's policies. Their geographical location provides vital strategic edges, rendering them a vital part of the defense and security strategies of the EU.

Additionally, these nations have significantly contributed to the European Union's economic and financial strength. The EU9's rapid economic growth and eager integration into the European market has led to amplified trade with other EU states.

The social contribution of the EU9 is also significant. These nations introduce rich historical backgrounds, distinct cultural practices, and varied languages, thereby enhancing the plurality of the EU.

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

In conclusion, the contributions played by the EU9 members are substantial. From economic influence to cultural richness, and from security strategies to political dynamics, EU9 has strengthened the European Union's framework. As such, an thorough understanding of the EU9 is crucial to fully grasping the intricacies of the European Union.