History 40 Politics and government 29 Slavery 27 Extension to the territories 19 Emigration and immigration 16 Japanese 15 Compromise of 1850 13 more ... Social conditions 11 Chinese 10 Chinese Americans 10 Description and travel 8 Legal status, laws, etc 8 Periodicals 7 Race relations 7 Japanese Americans 6 Ethnic groups 5 Personal narratives 5 Asian Americans 4 Biography 4 Cultural assimilation 4 Economic conditions 4 Emigration and immigration law 4 Ethnic identity 4 Gold discoveries 4 Histoire 4 Indians of North America 4 Land tenure 4 Law and legislation 4 Social life and customs 4 Speeches in Congress 4 Acculturation 3 African Americans 3 Afro-Americana 3 Armenian Americans 3 Armenians 3 British 3 Conditions sociales 3 Ethnic relations 3 Ethnicity 3 Germans 3 less ...