World politics -- 58 International relations 12 Military policy 10 Security, International 9 Foreign relations -- 6 Globalization 6 Terrorism 6 more ... National security -- 5 War on terrorism, 2001- 5 Defenses 4 Nuclear weapons -- 4 War 4 21st century 3 Balance of power 3 History -- 3 Military art and science -- 3 National security 3 Regionalism (International organization) 3 September 11 Terrorist Attacks, 2001 3 Diplomacy 2 Economic aspects 2 Information warfare 2 International cooperation 2 International relations -- 2 National state 2 Neoliberalism 2 Peace 2 Political aspects 2 Political violence 2 Regionalism 2 less ...