Foreign relations -- 30 World politics -- 25 War on terrorism, 2001- 17 War 16 War -- 16 Cold War 13 History -- 13 more ... International relations 12 War (International law) 10 Terrorism -- 9 Military history, Modern -- 7 Intervention (International Law) 6 Military policy 6 War victims -- 6 Diplomatic history 5 Political aspects 5 September 11 Terrorist Attacks, 2001 5 Terrorism 5 Cold War -- 4 Economic aspects 4 Government policy -- 4 History 4 International relations -- 4 Military art and science -- 4 Political aspects -- 4 Politics and government -- 4 Prevention -- 4 Twenty-first century -- 4 War and emergency powers -- 4 Biography -- 3 less ...