History Foreign relations -- 22 History -- 13 Emigration and immigration -- 5 Foreign relations 4 Race relations 4 Politics and government 3 more ... Arms control -- 2 Asian Americans -- 2 Chinese Americans -- 2 Civil rights -- 2 Decision making -- 2 Economic conditions 2 Foreign economic relations 2 History, Military 2 Immigrants -- 2 International economic relations -- 2 Politics and government -- 2 Relations -- 2 Treaties 2 1st-10th -- 1 Afro-Americans -- 1 Alliances -- 1 Amendments -- 1 American government 1 Anti-Americanism -- 1 Arab-Israeli conflict 1 Arbitration, International -- 1 Biography -- 1 Biological warfare -- 1 less ...