History 30 African Americans 10 Indians of North America 10 Politics and government 8 Civilization 6 Asian Americans 4 Ethnic relations 4 more ... Presidents 4 Race relations 4 Religion 3 Slavery 3 Social conditions 3 Biography 2 Civil rights 2 Civil rights movements 2 Foreign relations 2 Hispanic Americans 2 International relations 2 Jewish influences 2 Jews 2 Minorities 2 New Deal, 1933-1939 2 Rites and ceremonies 2 Abolitionists 1 African American soldiers 1 Anti-communist movements 1 Antislavery movements 1 Cherokee Indians 1 Civil rights workers 1 Civilization, Hispanic 1 less ...