History 384 Politics and government 206 Study and teaching (Higher) 151 Social conditions 45 Slavery 42 Economic conditions 36 Race relations 25 more ... Foreign relations 23 Indians of North America 23 Civil rights 22 Colonies 20 African Americans 19 Women's rights 17 Conservatism 16 Industrialization 15 Cold War 14 Law and legislation 14 Government relations 13 Secession 13 Emigration and immigration 12 Campaigns 11 Causes 11 Civil rights movements 10 Constitutional history 10 Reconstruction (U.S. history, 1865-1877) 10 Antislavery movements 9 Cities and towns 9 Globalization 9 Political parties 9 Rural-urban migration 9 less ...