Foreign relations -- 14 National security -- 7 Politics and government -- 7 Politics and government 6 Relations -- 6 History -- 4 Commerce -- 3 more ... Military policy 3 Commerce 2 Congresses 2 Congresses -- 2 Economic conditions 2 Economic conditions -- 2 Economic integration 2 Foreign economic relations -- 2 Regionalism -- 2 World politics -- 2 21st century 1 Armed Forces 1 Arms control -- 1 Biography -- 1 Boundaries -- 1 Civilization 1 Commercial policy 1 Corporate state -- 1 Cultural assimilation -- 1 Defenses 1 Democracy -- 1 Description and travel -- 1 Dictionaries 1 less ...