Defenses -- Economic aspects 13 Congresses 9 National security -- 7 Congresses -- 6 Arms control -- 4 Foreign relations -- 4 more ... Economic conditions -- 3 Politics and government -- 3 Appropriations and expenditures 2 Colonies -- 2 Congresses. -- 2 Defenses 2 Economic aspects -- 2 History 2 Military policy -- 2 Addresses, essays, lectures 1 Ammunitions -- 1 Armed Forces 1 Armed forces 1 Armed forces -- 1 Arms race 1 Congress -- 1 Defense contracts -- 1 Disarmament -- 1 Economic assistance -- 1 Economic conditions 1 Economic convention -- 1 Economic policy 1 Five Power Defenses -- 1 less ...