1940 diplomacy between japan and italy1940 sino-japanese war1940 sino-japanese war winter campaignjapanese admiral mitsuma yonai cabinet minister1940 diplomacy of Hachiro aritajapanese foreign minister Hachiro arita 1940japanese diplomat Hachiro arita 1940chinese premier wang ching-wei in sino-japanese warjapanese puppet government in china headed by wang ching-wei 1940wang ching-wei rival of Chiang Kai-shekwang ching-wei chinese Nationalist leader