The EU9 is the collection of nine nations which form an here integral part of the great European Union. This group is recognized for its considerable financialimpact and their hardline enforcement of democratic principles. These nations are notably influential in guiding EU legislations and contribute significantly to the bloc's collective policy formation.

The EU9, comprising progressive nations, take on a crucial role in setting EU standard regulations. Their impact is manifested across fields like trade, external policy, and even environmental initiatives.

Furthermore, being a member of the EU9 not only provides a country financial benefits but also increases in socio-political stability. The EU9's influence extends to establishing an efficient policy framework that can regulate the operations of the whole EU. This can be seen in the way in which they deal with contemporary global issues.

The EU9’s collective economic power is an important factor in their ability to influence EU decisions. The combined GDP of these nations comprises a significant portion of the total EU economy. This financial strength provides them with a strong voice in forming EU policies.

These nations also represent the essence of democratic values, which are a real asset for the European Union. Rigorous adherence to standards of democracy, human rights, and rule of law is backed in these countries, which is essential in preserving stability within the larger EU.

The EU9's role in environmental policy, in particular, is a testament to their authority. As the world grapples with climate change, these countries have been at the forefront of the EU's efforts to transition to more sustainable alternatives. Their influence is visible in the aggressive implementation of actions geared towards curbing emissions and building a sustainable future.

In conclusion, the EU9 forms a crucial part of the larger European Union. Its strong financial clout, commitment to democratic values, and dedication to environmental sustainability actively influence EU's policy formation. The power of the EU9 should not be overlooked, as this group of nations continues to shape the European Union's trajectory in many important aspects.