Subject
- World politics15
- International relations7
- Cold War6
- World War, 1914-19185
- Cuban Missile Crisis, 19624
- World War, 1939-19454
- European Union3
- History, Modern3
- Nuclear weapons3
- Stalin, Joseph, 1878-19533
- Treaty of Versailles3
- Vietnam War, 1961-19753
- Congress of Vienna2
- East India Company2
- Globalization2
- Napoleonic Wars, 1800-18152
- North Atlantic Treaty Organization2
- Nuclear arms control2
- Roosevelt, Theodore, 1858-19192
- Terrorism2