History 14 Imperialism Colonies 6 Social aspects 6 Indians of North America 5 Race relations 5 Colonization 4 more ... Discovery and exploration 4 Economic aspects 4 Indians, Treatment of 4 Discoveries in geography 3 Economic conditions 3 Frontier and pioneer life 3 Racism 3 Territorial expansion 3 Attitudes 2 British 2 Capitalism 2 Causes 2 Colonists 2 Economic integration 2 First contact with other peoples 2 Foreign economic relations 2 French 2 Globalization 2 International economic relations 2 Science 2 Settler colonialism 2 Seven Years' War, 1756-1763 2 Spanish 2 less ...