Answer:
A. The United States sends a delegate to sit on the United Nations (UN) Security Council.
Step-by-step explanation:
This action illustrates government participation in an international organization. The United Nations Security Council is a vital part of the UN, responsible for maintaining international peace and security. Each of the five permanent members of the Security Council (including the United States) has the authority to send a delegate to represent their country's interests and participate in discussions and decisions related to global security issues.