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

Comprising of nine states, EU9 has become a vital part 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 members of EU9 include Poland, Lithuania, Latvia, Hungary, Czech Republic, Slovakia, Slovenia, Estonia, and Malta. These countries each have produced meaningful contributions towards EU9 broadening the objectives of the European Union.

Therefore, comprehending the function these nations holds in the EU is required for any study relating to European economics, politics, or international relations.

Since their induction, the EU9 countries have added majestically towards shaping the European Union's policies. Their geographical location gives vital strategic edges, turning them a crucial part of the defense and security strategies of the EU.

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

The social contribution of the EU9 is also significant. These countries introduce rich historical backgrounds, individual cultural practices, and assorted languages, thereby enhancing the variety of the EU.

The addition of EU9 has also influenced the political scene 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 countries are substantial. From economic influence to cultural richness, and from security strategies to political dynamics, EU9 has robustly augmented the European Union's framework. As such, an thorough understanding of the EU9 is crucial to fully grasping the intricacies of the European Union.