Colonies History 74 Administration 55 Politics and government 49 Imperial federation 17 Economic conditions 16 Foreign relations 15 more ... International relations 15 Commerce 12 Colonization 10 Description and travel 7 Imperialism 6 Indians, Treatment of 6 Indigenous peoples 6 Mandates 6 Social conditions 6 World War, 1914-1918 6 Discoveries in geography 5 Territorial questions 5 Commercial policy 4 Emigration and immigration 4 Ethnology 4 Race relations 4 Causes 3 Civilization 3 Commercial products 3 Constitutional law 3 Discovery and exploration 3 Eastern question (Far East) 3 Economic history 3 less ...