National security Foreign relations -- 8 Military relations -- 3 National security -- 3 Military policy 2 Population 2 Terrorism -- 2 more ... Armed forces 1 Arms control 1 Civil defense 1 Civil defense -- 1 Culture conflict 1 Decision making 1 Defenses 1 Developing countries -- 1 Economic integration 1 Foreign relations 1 Government policy -- 1 Harbors -- 1 International relations 1 Latin America -- 1 Merchant marine -- 1 Military assistance, American 1 Military relations 1 Munitions -- 1 Political stability 1 Politics and government -- 1 Prevention 1 Security measures 1 Security measures -- 1 less ...