The International Court of Justice is the main institution for resolving disputes under international law.

He is an expert in international law.

This region has been in conflict for many years.

They are disputing about that issue.

This is our main goal.

He played a central role in the project.

The International Atomic Energy Agency is an international organization that promotes the peaceful use of nuclear energy.

It will take time to solve this problem.

He is working hard to solve that problem.

He is an expert in law.