Blacks History 30 Negros 22 Historia 13 Race relations 11 History and criticism 9 Politics and government 9 mer ... Religion 9 Social conditions 8 Negro 7 Slave insurrections 6 Civilization 5 Esclavitud 5 Folklore 5 Indians of South America 5 Languages 5 Racism 5 Slavery 5 Social movements 5 Racially mixed people 4 Social life and customs 4 African influences 3 Arts, Cuban 3 Civil rights 3 Government relations 3 In literature 3 Indigenous peoples 3 Land tenure 3 Law and legislation 3 Music 3 mindre ...