Frontier and pioneer life History 30 Indians of North America 20 HISTORY 9 Colonies 8 Ethnic relations 8 Government relations 7 more ... Race relations 6 Social conditions 6 First contact with Europeans 5 State & Local 5 British 4 Colonists 4 General 4 History, Military 4 Land settlement 4 Wars 4 Antiquities 3 Cities and towns 3 French 3 History, Local 3 Relations 3 Social aspects 3 Americas (North, Central, South, West Indies) 2 Attitudes 2 British colonies 2 Civilization 2 Colonial Period (1600-1775) 2 Colonization 2 Commerce 2 less ...