Whakaotihia te rerenga e whai ake nei: I te tau 1941, i whakatauhia e te US he raupapa whakatau hei tautoko i a Haina i tana pakanga ki a Japan: I whakawhiwhia nga taonga Lend Lease i muri i te panui a te Perehitini Franklin D. Roosevelt ko te tiaki o Haina he mea nui ki te tiaki o te United States. I te wā o te raumati, i te wā i neke atu ai a Hapani ki te tonga ki French Indo-China, ka whakatūria e te U.S., Ingarangi, me te Netherlands he rāhuitanga hinu ki a Hapani, e tapahi ana i te 90% o ōna rerenga. I whakawehihia e te aukati nga mahi a te ope taua o Kwantung, neke atu i te kotahi miriona nga hoia i tohaina ki Haina. I whakautu a Hapani ki tētahi whakaekenga āta whakaritea i te Hakihea 7/8, i te wā kotahi e whakaeke ana i Pearl Harbor, i ngā Piripi,
Ko Malaya, ko Singapore, ko Hong Kong, ko Guam, ko Wake Island, ko Thailand.