History Colonies 387 Politics and government 218 Slave trade 171 Colonization 131 Slavery 118 Social conditions 106 more ... Administration 90 Civilization 84 African Americans 78 Social aspects 77 History and criticism 68 Foreign relations 64 Decolonization 61 Political aspects 49 Colonial influence 47 Economic conditions 47 Race relations 46 Relations 45 Commerce 42 Imperialism 42 Black people 39 Social life and customs 37 Description and travel 36 Africans 35 Nationalism 34 Antislavery movements 33 History, Military 32 In literature 31 Historiography 30 less ...