13.1 → What Is an International System?
13.2 → Empires, Kingdoms, and the Pre-Modern World Order
13.3 → The Peace of Westphalia and the Rise of Sovereign States
13.4 → Imperialism, Colonialism, and the Global Balance of Power
13.5 → World Wars, the Cold War, and the Bipolar World
13.6 → The Post-Cold War World and the Changing Global Order
Module 13 Summary Coming Soon.