Foreign relations -- 4 Foreign economic relations -- 3 Congresses 2 Commerce -- 1 Congresses -- 1 Economic conditions -- 1 Free trade -- 1 more ... History -- 1 Investments, Chinese -- 1 Investments, Singaporean -- 1 Japanese occupation, 1942-1945 -- 1 Politics and government 1 Politics and government -- 1 congresses 1 social conditions -- 1 less ...