Social aspects History 123 Civilization 31 Social conditions 31 Social life and customs 30 History and criticism 27 World War, 1939-1945 22 more ... Imperialism 21 National characteristics, Japanese 21 Popular culture 21 Manners and customs 19 Political aspects 18 Economic conditions 17 Japanese language 16 Politics and government 15 Death 13 Foreign relations 13 Influence 12 Japanese 11 Mass media 11 Philosophy 11 Funeral rites and ceremonies 10 Motion pictures 10 Public opinion 10 Women 10 Emigration and immigration 9 Intellectual life 9 Psychological aspects 9 Relations 9 Economic history 8 less ...