Following World War II, the U.S. promised to protect its allies from attacks by totalitarian actors attempting to take over their countries

A comprehensive overview of ongoing and historical armed conflicts, military engagements and geopolitical tensions shaping the world today.

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.