 Nyorai kupfuurira kweiyi ndima - Pashure pokupinda kweJapan muFrench IndochinaMuna August 1941, United States yakatanga kurambidza Japan kutengesa mafuta uye simbi, uye China yakabatanidzwa muLend-Lease Act iyo yakatsiva Chibvumirano cheSino-Soviet Chokusarwisa cha1937. Sezvo Hondo yeChonqing-Chengdu yakapfuurira kupinda muna 1941 neOperating 102, vaJapan vakatanga kugadzirira Operation Z; chirongwa chokurwisa Pearl Harbor. Muchikamu chokupedzisira cheHondo yeChina neJapan. 