History Politics and government 8 History -- 7 Political science -- 6 Politics and government -- 6 Emigration and immigration -- 3 Foreign relations -- 3 more ... Nationalism -- 3 Baltic States -- 2 Colonies -- 2 Commerce -- 2 Costume -- 2 Democracy -- 2 International relations -- 2 International trade -- 2 Malays (Asian people) -- 2 Political parties -- 2 Protectionism -- 2 Race relations 2 Secret service -- 2 Soviet Union -- 2 Terrorism -- 2 American government 1 Antinuclear movement 1 Arms control -- 1 Audiences 1 Biography -- 1 Blacks -- 1 Broadcasting -- 1 Capitalism -- 1 less ...