WorldWarTwoByQiuShuangHumanlossesofWorldWarIITheSecondWorldWar BriefIntroductionOfWorldWarTwo Reasons ProcessBriefIntroductionOfWorldWarTwoTime:1stSeptember1939------15thAugust1945Thecharacter(性质)oftheWar:Itcanbedividedintotwophases-imperialistwar(帝国主义战争)andanti-Fascismwar(反法西斯战争)Twoopposingmilitaryalliances:theAlliesandtheAxisGermanyItalyJapanAdolf HitlerBenitoMussolini本尼托墨索里尼Hirohito裕仁AmericaBritainChinaSovietUnionFranklinRooseveltWinstonChurchillJiangJieshiStalinReasons TheAftermathofWWI WorldWarIcausedthedeathsofmillionsandthedestructionofnumerouscitiesandfarms.TheEuropeaneconomywasinruins.ReasonsDirectreasonsGermanywouldnottaketheirdefeatacceptingtheharshpunishmentandlimitlessoftheTreatyofVersailles(《凡尔赛条约》).ItalyfallsintoeconomicdeclineJapanlacksofstrategicgoods(petrol)whichholdbacktheireconomicdevelopmentRootcause:TheGreatDepression大萧条TheGreatDepressionin1929resultedinseriouspoliticalcrisis.Whatwasworse,inordertoprotectdomesticeconomy,somenationssuchasAmericastartedtoerecttradebarriers,whichhadaimpactonGermanyandJapan.Whilethesecountriescouldn‘tgetoverthecrisisbythemselves,thentheybuiltthefascistdictatorship(法西斯专政)todoexternalexpansioncrazily1939.9.1TheinvasionofPoland1945.8.6TheUnitedStatesdroppedatomicbombonHiroshima(广岛)processIIWORLDWARInvasionofPoland AfterWorldWarI,defeatedGermanywasforcedtocedelargetractsofland.Danzig(担泽),whichbelongedtoGermany,wasdesignatedafreemarketandtransferredtoPoland.“PolishCorridor”leadingtotheBalticSea(波罗的海)dividedGermanyintotwopieces.SotheGermanshadbeentakingthelossofDanzigandthe"corridor"areatoheart.BACKGROUND PolandislocatedintheeasternpartofEurope,ontheeastofRussia,onthewestofGermany,onthenorthofCzechoslovakia(捷克斯洛伐克).AnditsnorthernboundaryisneartheBalticSea.Becauseofitsspecialgeographicalposition,PolandbecomesthetransportationhubofEurope,whichownsastrategicimportance.PolandwasoneofthemostpowerfulmilitaryforcesamongtheEuropeanallies.IfGermanyoccupiedPoland,Germanynotonlyhadaccesstoalargenumberofmilitaryandeconomicresources,butalsogreatlyimproveditsstrategicposition:itnotonlycouldeliminatetheworriesoftheBritishandFrenchattack,butalsotoestablishabaseforattacksontheSovietUnion.IMMEDIATECAUSEMonumenttothe"SeptemberVeterans"of1939insouthernPoland.TheBombAttackofHiroshimaTheAtomicBombingsofHiroshimaOnAugust6,1945,theUnitedStatesusedamassive,atomicweaponagainstHiroshima,Japan,killingtensofthousandsofcivilians.ItisthefirsttimetouseweaponsofmassdestructioninthehumanhistoryWhychoseHiroshima? Hiroshimawasdescribedas“animportantarmydepotandportofembarkationinthemiddleofanurbanindustrialarea”. obtainingthegreatestpsychologicaleffectagainstJapanthephotoofHiroshimaafterbombingSuchfragilethelifeis,pleasecherishpeace