Colonies History Imperialism 94 Administration 51 Politics and government 38 Decolonization 37 Foreign relations 37 Race relations 27 Social conditions 25 Colonization 24 Social aspects 23 Public opinion 19 Slavery 17 Civilization 16 British 15 Postcolonialism 15 Emigration and immigration 14 Slave trade 14 Women 13 Economic conditions 12 Historiography 11 History and criticism 11 Slavery in literature 11 Commerce 10 Relations 10 Economic aspects 9 Emancipation 9 History, Military 9 Nationalism 9 Political aspects 9