Politics and government -- 2 Biological warfare -- 1 China 1 College teachers -- 1 Diplomatic history 1 Foreign relations -- 1 Heads of state -- 1 more ... History 1 History -- 1 Military relations -- 1 Sino-Japanese Conflict, 1937-1945 -- 1 Social life and customs -- 1 Soldiers -- 1 Succession -- 1 Women soldiers -- 1 World War, 1939-1945 -- 1 less ...