ThepresidentofAmerica•ThelistofUSpresidentsGeorgeWashingtonGeorgeWashington•GeorgeWashington(1732~1799),wasthefirstPresidentoftheUnitedStates.thecommanderoftheindependence-war'army.1789,HewaselectedtothefirstPresidentoftheUnitedStates.Re-electedin1793.Afterthisfouryears,HevolunteeredtogiveuphispowerinofficeandnolongercamebackbutlivefreelyatVernonmountestate.BecauseheplayedthemostimportantroleintheindependencewarofAmerican,andhavethegreatestcontributiontothefoundingoftheUnitedStates,HeisregardedasthefatherofUSA,andalsorespectedasthegreatestPresidentwithAbrahamLincoln,andfranklinRooseveltinAmericanhistorybyalloftheAmericans.ThomasJefferson(1743-1826),Americanpolitician,thinker,philosopher,scientist,educator,andthethirdPresidentoftheUnitedStates.HeisoneofthemainleadersoftheAmericanindependentwar.In1776,draftedthedeclarationofindependenceoftheUnitedStateswithJohnAdamsandBenjaminFranklin,.Sincethen,hehassuccessivelyservedasthefirstAmericansecretary,thesecondvicePresidentandthethirdPresidentofUnitedstates.Inhistenure,hedevotedhimselftoprotecttheagriculture,tosolidifythedevelopmentofnationalcapitalistindustry.BoughtLouisianafromFrance,becauseofthis,theterritoryofUnitedStateswasalmostdoubled.HeiswidelyregardedasoneofthegreatestPresidentinAmericanhistory,withWashington,Lincoln,andfranklinRoosevelt.AbrahamLincoln,(1809-1865),America'spoliticians,the16thPresident(term:onMarch4th,1861-April15th,1865),isalsothefirstrepublicanPresident.Inhispresidency,theAmericancivilwarbrokeout.Lincolndefeatedthesouthernseparatism,abolishingtheslavery,maintainingtheunificationofthecountry.Butshortlyafterthecivilwar,Lincolnwasassassinatedmisfortunetely..HewasthefirstPresidentoftheUnitedStateswhowasassassinated,butalsoagreatPresidentwhowasborninapoorfamily.becauseofthis,mademanyAmericayoungpeoplebelievedthateveryonehastheoppertunitytogetbrilliantachievementswiththeirefforts.In2006,America'sleadingjournalAtlanticmonthlynamedaffect100peopleintheUnitedStates,andAbrahamLincolnwasinthefirstplace.FranklinDelanoRoosevelt•FranklinDelanoRoosevelt,the31stand32ndPresidentoftheUnitedStates.HeistheonlypresidentwhoservedforfourtermsofofficeintheAmericanhistory.Rooseveltplaysanimportantroleduringthegreatdepressionofeconomyinthe20thcenturyandthesecondworldwar.Duringthegreatdepression,hetooksomeeffectivemeasurestosavetheeconomy,aftertheoutbreakofworldwarii,helaunchedlend-leasetoaidourAllies.In1942,hedeclaredwaronthefascistcountries.Laterofthesecondworldwar,Rooseveltplayedakeyroleinshapingthepost-warworldorder,especiallyinYaltaconferenceandtheestablishmentoftheUnitedNations.TheRooseveltadministrationhasredefinedtheliberalism,anddependonhisNewDealcoalitiontorestructuretheDemocraticParty.HewasrespectedasthegreatestPresidentofAmerica,withWashingtonandLincoln.BarackHusseinObamaIIBarackHusseinObamaII•BarackHusseinObamaII(1961.08.04-),thestatesmanofAmericandemocrat,the56thand57thpresidentoftheUnitedStates.AsthefirstAfrican-AmericanPresidentinAmericanhistory,heisalsothefirstpresidentwithblack-whitemixedpedigreePresident.OnFebruary10th,2007,HeadvocatedtoendthewarinIraqandimplementeofuniversalhealthinsurancesystem.Heusedthesetwothingsastheplatform,formallyannouncedtoparticipateinthe2008U.S.presidentialelection,andofficiallyelectedonNovember4,thesameyear.OnOctober9th,2009,hewasawardedtheNobelpeaceprize.OnNovember6,2012,MrObamadefeatRomney,SuccessinthesecondsessionofthePresident'sre-election.