Economic conditions History -- Social conditions 5 Politics and government 4 History 2 Autonomy and independence movements 1 Chinese -- 1 more ... Communism -- 1 Foreign relations 1 Japanese occupation, 1942-1945 1 Political science -- 1 Race relations -- 1 Revolution -- 1 Triads (Gangs) 1 Triads (Gangs) -- 1 less ...