 Ramba uchinyora ndima iyi - Sezvo Hondo Yenyika II yakatanga muEurope musi wa1 September 1939 pashure pokunge Nazi Germany yapinda muPoland, United States yakanga yakaramba isina kwayakarerekera kutozosvikira pakurwiswa kwakaitwa hondo yehondo yehondo yeAmerica neJapan paPearl Harbor musi wa7 December 1941. Muna October 1940, China yakakumbira purezidhendi weAmerica Franklin D. Roosevelt kuti abvumire kutengeswa kwendege dzehondo kuChina pamwe chete nokushandiswa kwevatyairi vendege veAmerica muhondo yokurwisana nokupinda kweJapan. Muna December, Washington yakabvumidza chikumbiro cheChina chokutora vatyairi vendege vokuAmerica vaizosiya basa ravo remauto eU.S. vobva vazvipira kushanda muChina Air Force vachipiwa mari yakawanda. Pana 11 March 1941, U.S. yakapfuura Mutemo weLend-Lease, uyo wakabvumira hurumende yeU.S. kugovera nhumbi dzehondo nezvinhu kuBritain, France nedzimwe nyika dzakabatana. Musi waMay 6, 1941, mutemo uyu wakawedzerwa kuChinawo. Nehondo huru pakati peSoviet neNazi Germany, ndege dzose dzokurwa itsva dzakagadzirwa neSoviet zvino dzakanangidzirwa kunhandare dzokurwa neNazi Germany. Nepo chisarudzo chakaitwa navaAmerica kutsigira Generalissimo Chiang Kai-shek muHondo Yokuramba vaJapan neLend-Lease Act, betsero yaidiwa zvikuru yakauyawo nenzira yokupindura kweAmerica kupandukira kweJapan French Indochina, iyo yakakurudzira vaAmerica kuti vaite mutemo weUnited States wokurambidza kushandiswa kwesimbi uye mafuta kurwisa Japan nokuvharira zvinhu zveJapan muzhizha ra1941. 