Public opinion Social aspects History 23 Social conditions 11 Mass society 9 Social history 9 Social surveys 9 Social life and customs 8 World War, 1939-1945 8 Mass media 5 Political aspects 5 Reconstruction (1939-1951) 4 Attitudes 3 Civilization 3 Colonies 3 Influence 3 Mass media and public opinion 3 Moral and ethical aspects 3 Race relations 3 Sports 3 Television broadcasting 3 Women 3 African Americans 2 Athletes 2 Body, Human 2 Communication 2 Economic aspects 2 Emigration and immigration 2 Foreign relations 2 Gender identity 2