Politics and government 1,947 Foreign relations 1,907 History 1,325 African Americans 481 Political science 341 Colonies 270 World politics 254 more ... Slavery 250 Civil rights 245 Social conditions 202 Race relations 200 Relations 172 Political parties 160 Emigration and immigration 149 International relations 139 Nationalism 127 Economic conditions 122 Political activity 116 Administration 114 Peace 108 Presidents 104 Communism 101 Democracy 98 State, The 96 Antislavery movements 94 Election 89 Liberty 89 Church and state 80 Elections 80 Suffrage 75 less ...