History History -- 29 Foreign relations -- 26 Race relations 6 Biography -- 5 Emigration and immigration -- 5 Foreign relations 4 more ... Juvenile literature 4 Political aspects -- 4 World War, 1939-1945 -- 4 Aerial operations, American 3 Civil rights -- 3 National security -- 3 Politics and government 3 Presidents -- 3 Afro-Americans -- 2 Arms control -- 2 Asian Americans -- 2 Biography 2 Chinese Americans -- 2 Civilization 2 Commando troops 2 Decision making -- 2 Economic conditions 2 Executive power -- 2 Feminism -- 2 Foreign economic relations 2 Foreign relation administration -- 2 History, Military 2 Immigrants -- 2 less ...