Cover©GettyImages;3©GettyImages;4–5©AustralianPictureLibrary/Corbis;6©MaryEvansPictureLibrary;7–10XiangyiMo©HarcourtEducationAustralia;11–12©WisconsinHistoricalSociety0305001846-1,0305002954-1;13©GettyImages;14©WisconsinHistoricalSociety0305000637-1.Copyright©byHarcourt,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformorbyanymeans,electronicormechanical,includingphotocopy,recording,oranyinformationstorageandretrievalsystem,withoutpermissioninwritingfromthepublisher.RequestsforpermissiontomakecopiesofanypartoftheworkshouldbeaddressedtoSchoolPermissionsandCopyrights,Harcourt,Inc.,6277SeaHarborDrive,Orlando,Florida32887-6777.Fax:407-345-2418.HARCOURTandtheHarcourtLogoaretrademarksofHarcourt,Inc.,registeredintheUnitedStatesofAmericaand/orotherjurisdictions.PrintedinMexicoISBN10:0-15-351427-2ISBN13:978-0-15-351427-2OrderingOptionsISBN10:0-15-351212-1(Grade2AdvancedCollection)ISBN13:978-0-15-351212-4(Grade2AdvancedCollection)ISBN10:0-15-358062-3(packageof5)ISBN13:978-0-15-358062-8(packageof5)Ifyouhavereceivedthesematerialsasexaminationcopiesfreeofcharge,HarcourtSchoolPublishersretainstitletothematerialsandtheymaynotberesold.Resaleofexaminationcopiesisstrictlyprohibitedandisillegal.Possessionofthispublicationinprintformatdoesnotentitleuserstoconvertthispublication,oranyportionofit,intoelectronicformat.1234567891005015141312111009080706CyrusCyrusMcCormickMcCormickFriendtoFarmersbyJordanMaxwell3CyrusMcCormickinventedamachinecalledareaper.Cyrus’sreapermadeitpossibleforfarmerstocutandcollecttheircropsfasterthaneverbefore.Hisreaperisstillpraisedtoday.Herefarmersarecuttingthegraincropbyhand.6MakingaReaperMakingaReaperCyrus’sfatherhadtriedtobuildamachinepulledbyhorsestocutgrain.Hecouldnevermakeitworkproperly.Cyrusdecidedtomakehisownmachine,andheusedhisfather’sworkasastartingpoint.WhenCyruswasyoung,farmerscutgraincrops,suchaswheat,byhand.Theyusedatoolthatlookedlikeabig,curvedknife.Harvestingwasextremelydifficult.ThisisCyrusMcCormi...
