Colonies History 428 Imperialism 112 Administration 75 Politics and government 65 Decolonization 45 Emigration and immigration 43 Foreign relations 43 Colonization 37 Social conditions 33 Economic conditions 32 Race relations 29 Immigrants 27 Social aspects 26 British 25 Postcolonialism 25 Public opinion 22 Civilization 19 Historiography 18 History and criticism 18 Economic aspects 17 Slavery 17 Imperialism in literature 14 Slave trade 14 Women 14 Colonies in literature 13 Description and travel 13 Economic policy 13 Political aspects 13 Commerce 12