Conditions sociales Social conditions 12 HISTORY 9 Histoire 9 History 9 State & Local 6 General 4 Race relations 3 Relations raciales 3 African Americans 2 Américains d'origine mexicaine 2 Conditions économiques 2 Economic aspects 2 Economic conditions 2 Economic history 2 Ethnic relations 2 Guerre mondiale, 1939-1945 2 Irrigation farming 2 Mexican Americans 2 Midwest (IA, IL, IN, KS, MI, MN, MO, ND, NE, OH, SD, WI) 2 Military 2 Noirs américains 2 Politics and government 2 Politique et gouvernement 2 Relations interethniques 2 Sociale aspecten 2 Tweede Wereldoorlog 2 World War II 2 World War, 1939-1945 2 African American Studies 1