History Colonies 23 Slavery 21 Slave trade 14 Slaves 10 Emancipation 9 Slavery in literature 8 Civilization 5 Politics and government 5 Relations 5 Social conditions 4 Africans 3 Commerce 3 Indians of North America 3 African Americans 2 African diaspora 2 Blacks 2 Economic aspects 2 Economic conditions 2 European influences 2 Foreign relations 2 Government relations 2 Imperialism 2 Land tenure 2 Law and legislation 2 Territorial expansion 2 Administration 1 African influences 1 America in literature 1 Antislavery movements 1