History Motion picture industry 23 Motion pictures 17 Race relations 11 Emigration and immigration 8 Social conditions 7 Civil rights movements 6 more ... Political aspects 6 Politics and government 6 Chinese Americans 5 Immigrants 5 Social aspects 5 African Americans 4 Forced removal and internment, 1942-1945 4 Japanese Americans 4 World War, 1939-1945 4 Agricultural laborers 3 Civil rights 3 Civilization 3 Germans 3 Government policy 3 Jewish motion picture producers and directors 3 Jews 3 Jews in the motion picture industry 3 Legal status, laws, etc 3 Motion picture producers and directors 3 Motion picture studios 3 Production and direction 3 Public opinion 3 Racism 3 less ...