The world: a brief introduction

From the Thirty Years' War to the outbreak of World War I (1618-1914) --

From World War I through World War II (1914-1945) --

The Cold War (1945-1989) --

The post-Cold War era (1989-present) --

Europe --

East Asia and the Pacific --

South Asia --

The Middle East --

Africa --

The Americas --

Globalization --

Terrorism and counterterrorism --

Nuclear proliferation --

Climate change --

Migration --

The Internet, cyberspace, and cybersecurity --

Global health --

Trade and investment --

Currency and monetary policy --

Development --

Sovereignty, self-determination, and balance of power --

Alliances and coalitions --

International society --

War between countries --

Internal instability and war within countries --

The liberal world order.