Politics and government Slavery 20 Compromise of 1850 15 Extension to the territories 14 History 9 Economic conditions 8 Economic history 5 more ... Speeches in Congress 4 Mexican Americans 3 Social conditions 3 African American women legislators 2 Afro-Americana 2 Américains d'origine mexicaine 2 Armenian Americans 2 Armenians 2 Attorneys general 2 Civil rights 2 Conditions sociales 2 Description and travel 2 Ethnic relations 2 Industrial policy 2 Justice, Administration of 2 Legislators 2 National characteristics, American 2 Philosophy 2 Political and social views 2 Political aspects 2 Public prosecutors 2 Socialism 2 Territorial expansion 2 Travel 2 %SP3 1 Administration 1 Administration of justice 1 Admission 1 Affiches politiques américaines 1 American national characteristics 1 American newspapers 1 Américains d'origine mexicaine 1 Antislavery movements 1 less ...