World politics -- Foreign relations -- 39 International relations 31 History -- 20 Foreign relations 16 Security, International 16 National security -- 15 more ... Politics and government -- 15 Terrorism 12 Cold War 11 Military policy 11 Congresses 10 Congresses -- 8 International relations -- 8 Political aspects 8 Politics and government 8 Balance of power 6 Globalization 6 International economic relations 6 Terrorism -- 6 Defenses 5 Post-communism 5 Strategic aspects 5 War 5 Diplomacy 4 Globalization -- 4 Military history, Modern -- 4 National security 4 Philosophy 4 September 11 Terrorist Attacks, 2001 4 less ...