The United States could advance its national interests by joining and participating in the International Criminal Court (ICC)

Study and practice of how sovereign states, international institutions, and non-state actors interact across borders. Encompasses diplomacy, negotiation, alliances, and conflict — the foundational domain through which global order is constructed, contested, and maintained.

The goals, strategies, and diplomatic, economic, and military tools through which the United States engages other states and international institutions, including alliances, sanctions, aid, and the use of force.

Body of rules, treaties, and customary norms governing relations between sovereign states and other international actors. Provides the legal framework for diplomacy, armed conflict, trade, human rights, and the functioning of international institutions — enforced through courts, arbitration, and state compliance.