Defenses -- Economic aspects 7 National security -- 3 Appropriations and expenditures 2 Colonies -- 2 Congresses 2 Congresses -- 2 more ... Politics and government -- 2 Armed forces -- 1 Arms race 1 Congresses. -- 1 Defenses 1 Economic assistance -- 1 Economic conditions 1 Economic conditions -- 1 Economic policy 1 Foreign relations -- 1 History 1 Insurgency 1 Military Policy -- 1 Military weapons 1 Nuclear weapons -- 1 Post-Cold War 1 Procurement 1 less ...