Colonies History 266 Imperialism 83 Politics and government 65 Administration 62 International relations 45 Foreign relations 44 more ... Colonization 38 Civilization 31 Decolonization 19 Economic conditions 18 Social conditions 18 Race relations 17 British 14 Nationalism 14 World War, 1939-1945 13 Social aspects 12 Colonial influence 11 Relations 11 Territorial expansion 11 Imperial federation 10 Public opinion 10 Discoveries in geography 9 Historiography 9 Commerce 8 Discovery and exploration 8 Ethnic relations 8 History, Modern 8 Cultural policy 7 Political aspects 7 less ...