byJaneBuxtonaneBuxtonbyJaExpositoryTextPAIREDREADBbJHowHorsesChangedtheWorldFromCacaotoChocolateSTRATEGIES&SKILLSComprehensionStrategy:RereadSkill:CauseandEffectVocabularyStrategyContextCluesVocabularyindustrial,inefficient,manipulation,modification,mutated,nutrients,sparse,surplusContentStandardsSocialStudiesHistoryPhotographyCredit:HishamIbrahim/Photographer’sChoice/GettyImages**Thetotalwordcountisbasedonwordsintherunningtextandheadingsonly.Numeralsandwordsincaptions,labels,diagrams,charts,andsidebarsarenotincluded.WordCount:1,547**ACopyright©TheMcGraw-HillCompanies,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutthepriorwrittenconsentofTheMcGraw-HillCompanies,Inc.,including,butnotlimitedto,networkstorageortransmission,orbroadcastfordistancelearning.Sendallinquiriesto:McGraw-HillEducationTwoPennPlazaNewYork,NewYork10121ISBN:978-0-02-119167-3MHID:0-02-119167-0PrintedintheUnitedStates.123456789DOC151413121110PAIREDREADIntroduction..................................2Chapter1HorsesWidenHorizons........................4Chapter2HorsesatWork...............................8Chapter3HorsesToday.................................12Conclusion...................................17RespondtoReading..........................18FromCacaotoChocolate...........19Glossary.....................................22Index........................................23FocusonSocialStudies......................24EssentialQuestionHowdopeoplebenefitfrominnovation?HowHorsesChangedtheWorldbyJaneBuxtonATLANTICOCEANNORTHAMERICAEUROPEAFRICAIntroductionWhofirsttamedwildhorses?Howdidwildhorsesbecomewillingandhardworkinganimalsforhumanstouse?Howdidhorsesbegintobedomesticated?Archaeologistsbelievetheyknowwhenandwherethishappened.TheysayitstartedinKazakhstanandMongoliaabout5,500yearsago.KazakhstanandMongoliaKazakhstanandMongoliamakeupalargepartofCentralAsia.2PACIFICOCEANKAZAKHSTANMONGOLIAASIAArchaeologistshavefoundpiece...
