Which of the following sentences best describes the role of the United Nations in world affairs?

Question

1. It ensures that everyone follows treaties.
2. It maintains trade relations and keeps trade negotiations open.
3. It mediates conflicts and supports humanitarian projects.
4. It provides a common defense against large aggressive nations.

Answer 1

The sentence that best describes the role of the United Nations in world affairs is:

3. It mediates conflicts and supports humanitarian projects.

This captures the UN's key functions, which include conflict resolution, peacekeeping, and promoting human rights and humanitarian efforts globally.