Military policy Foreign relations -- 25 National security -- 25 World politics -- 14 Defenses 9 Politics and government -- 8 History -- 7 more ... Nuclear weapons -- 7 Foreign relations 6 Appropriations and expenditures 4 Armed Forces -- 4 Armed forces 4 Politics and government 4 Security, International 4 Strategy 4 Terrorism -- 4 War on terrorism, 2001- 4 Armed Forces 3 Prevention -- 3 20th century 2 Biography -- 2 Cold War 2 Counterinsurgency -- 2 Ethnic relations 2 Globalization 2 Great powers 2 History. -- 2 International cooperation 2 Intervention (International Law) 2 Nationalism -- 2 less ...