History Frontier and pioneer life 39 Indians of North America 31 Wars 15 Histoire 14 Description and travel 13 Territorial expansion 11 more ... Ethnic relations 6 Indiens d'Amérique 6 Overland journeys to the Pacific 6 Discovery and exploration 5 Sources 5 Government relations 4 Latter Day Saints 4 Pioneers 4 Social life and customs 4 Weststaaten 4 Women 4 African Americans 3 Biography 3 Coaching (Transportation) 3 Explorers 3 Express service 3 Financial services industry 3 Fur trade 3 Guerres 3 In art 3 Jews 3 Latter Day Saint churches 3 Mexican War, 1846-1848 3 Travel 3 African American pioneers 2 Campaigns 2 Descriptions et voyages 2 Discoveries in geography 2 Expansion territoriale 2 Financial institutions 2 Geschichte 2 Government policy 2 Historiography 2 less ...