Imperialism 1,547 History 1,297 Imperialism in literature 625 History and criticism 532 Colonies 460 Foreign relations 301 Colonies in literature 238 more ... Social aspects 238 International relations 219 Politics and government 206 Political aspects 184 In literature 161 English literature 147 Relations 146 Postcolonialism 133 Civilization 128 Territorial expansion 117 Historiography 106 Race relations 97 Social conditions 95 Colonization 93 Nationalism 88 Diplomatic relations 86 Literature and society 81 Intellectual life 77 English fiction 72 Philosophy 71 Political and social views 70 Politics and literature 68 American literature 67 less ...