Foreign relations -- 18 National security -- 7 Foreign economic relations -- 5 Relations -- 5 History -- 4 Defenses 3 Military relations -- 3 more ... World politics -- 3 Congresses 2 Congresses -- 2 Economic conditions -- 2 International cooperation 2 Military assistance, American -- 2 North Atlantic Treaty Organization 2 Politics and government -- 2 Reconstruction (1939-1951) 2 Security, International 2 Strategic aspects 2 Anti-Americanism -- 1 Arab-Israeli conflict 1 Armed Forces 1 Armed Forces -- 1 Citizenship -- 1 Cold War 1 Commerce -- 1 Competition, International 1 Conflict management -- 1 Congresses. -- 1 Defenses -- 1 Developing countries -- 1 less ...