Foreign relations -- 39 Foreign economic relations -- 16 Commerce -- 10 National security -- 10 History -- 8 Relations -- 8 Military relations -- 7 more ... Politics and government 7 Politics and government -- 7 Biography -- 6 World War, 1939-1945 -- 6 Economic conditions 4 Government policy -- 4 World War,1939-1945 -- 4 Autonomy and independence movements 3 Economic conditions -- 3 History 3 Marine resources -- 3 Military policy 3 Social life and customs 3 Arbitration, Industrial -- 2 Armed Forces -- 2 Biography 2 Brain drain -- 2 Campaigns -- 2 Chinese -- 2 Civil rights -- 2 Communication and culture -- 2 Congresses -- 2 Continental shelf -- 2 less ...