Territorial expansion History 304 Imperialism 106 Foreign relations 103 Politics and government 68 Histoire 54 Political aspects 51 more ... Expansion territoriale 48 Colonies 43 HISTORY 41 Frontier and pioneer life 38 Indians of North America 30 Government relations 27 Relations 26 Race relations 25 General 23 Social aspects 22 Historiography 20 Philosophy 19 Slavery 19 Racism 18 Civilization 17 Manifest Destiny 17 Nationalism 17 Colonization 16 National characteristics, American 16 Colonial question 15 Discovery and exploration 15 History and criticism 15 Impérialisme 15 less ...