History 23 Economic conditions 17 Foreign economic relations 15 Foreign relations 14 International economic relations 14 International relations 11 Relations 9 more ... Civilization 8 Social conditions 8 Economic aspects 7 Older people 6 World War, 1939-1945 5 Age distribution (Demography) 4 Diplomatic relations 4 Economic policy 4 Human ecology 4 Monetary policy 4 National characteristics, Japanese 4 Politics and government 4 Sino-Japanese War, 1937-1945 4 Women 4 Agriculture 3 Case studies 3 Commerce 3 Housing 3 Law and legislation 3 Local government 3 Military relations 3 Mutual funds 3 Occupied territories 3 less ...