History 45 World War, 1939-1945 12 Politics and government 10 Japanese 7 Civilization 6 Diplomatic relations 6 Economic conditions 6 more ... Economic history 6 Foreign relations 6 History and criticism 6 Japanese language 6 Japanese literature 6 Description and travel 5 Manners and customs 5 Social conditions 5 Social life and customs 5 Travel 5 Constitutional law 4 Japan 4 Japanese fiction 4 Political aspects 4 Campaigns 3 Education 3 Government policy 3 Japanese Americans 3 Japanese poetry 3 Military campaigns 3 Philosophy 3 Political science 3 Sources 3 less ...