1. they provide the influence to decision makers and public policy through advocacy on behalf of members
Answer: Yes. This is known as a treaty breach.
If a party has materially violated or breached its treaty obligations, the other parties may invoke this breach as grounds for temporarily suspending their obligations to that party under the treaty. A treaty breach does not automatically suspend or terminate treaty relations, however.
To expand religion, political point of views, ethnocentric , economics, and exploratory.