World politics Foreign relations 115 International relations 105 Military policy 59 History 51 National security 35 War 29 Security, International 27 Politics and government 26 Terrorism 26 Cold War 24 Forecasting 22 United States 21 Strategy 16 Armed Forces 15 International economic relations 14 Military art and science 13 Military history, Modern 13 Defenses 12 21st century 11 Nuclear weapons 11 Geopolitics 9 September 11 Terrorist Attacks, 2001 9 War on terrorism, 2001- 9 Arms race 8 Balance of power 8 Congresses 8 Developing countries 8 Economic history 8 Influence 8