History 109 Imperialism 39 Histoire 27 Colonies 24 Politics and government 19 Foreign relations 13 Economic conditions 11 more ... Territorial expansion 11 World War, 1914-1918 11 Causes 10 Indians of North America 10 African Americans 8 Colonial question 7 Social conditions 7 British colonies 6 Description and travel 6 Historiography 6 Civilization 5 Ethnic relations 5 Guerre mondiale, 1914-1918 5 Impérialisme 5 Social aspects 5 Spanish-American War, 1898 5 War 5 15.85 history of America 4 Cooking, American 4 Discovery and exploration 4 Geschichte 4 Imperial federation 4 Influence 4 Kolonie 4 Political aspects 4 Race relations 4 history 4 Administration 3 Agriculture 3 Anti-Catholicism 3 Anti-Jewish propaganda 3 Aspect social 3 Campaigns 3 less ...