History 22 Social conditions 10 African Americans 9 Emigration and immigration 7 Ethnic relations 7 Race relations 6 Economic conditions 5 more ... Buildings, structures, etc 4 Hispanic Americans 4 Economic aspects 3 Ethnic identity 3 Mexican Americans 3 Mexicans 3 Social aspects 3 Structural adjustment (Economic policy) 3 African American civil rights workers 2 Church history 2 Church work with Mexican Americans 2 Civil rights 2 Civil rights workers 2 Commerce 2 Community development 2 Economic history 2 Harbors 2 Lost architecture 2 Migration, Internal 2 Migrations 2 Minorities 2 Music 2 Philanthropists 2 less ...