History Foreign relations -- 6 History -- 5 Emigration and immigration -- 2 Immigrants -- 2 1st-10th -- 1 Alliances -- 1 more ... Amendments -- 1 Arms control -- 1 Chinese Americans -- 1 Civil rights -- 1 Constitutional law -- 1 Decision making -- 1 Diplomatic history 1 Energy policy -- 1 Environmental aspects 1 Foreign economic relations 1 Foreign trade regulation -- 1 Great powers 1 Hegemony -- 1 International Trade Commission -- 1 International economic relations -- 1 Leadership -- 1 Legal status, laws, etc 1 Legislators -- 1 National security -- 1 Petroleum industry and trade -- 1 Political aspects 1 Political aspects -- 1 Politics and government -- 1 less ...