Time，however，continuedtoadvance，andtheAnglo—Americans，spreadingbeyondthecoastsoftheAtlanticOcean，penetratedfartherandfartherintothesolitudesoftheWest;theymetwithanewsoilandanunwontedclimate;theobstacleswhichopposedthemwereofthemostvariouscharacter;
theirracesintermingled，theinhabitantsoftheSouthwentuptowardstheNorth，thoseoftheNorthdescendedtotheSouth;butinthemidstofallthesecauses，thesameresultoccurredateverystep，andingeneral，thecoloniesinwhichtherewerenoslavesbecamemorepopulousandmorerichthanthoseinwhichslaveryflourished。Themoreprogresswasmade，themorewasitshownthatslavery，whichissocrueltotheslave，isprejudicialtothemaster。
ChapterXVIII:FutureConditionOfThreeRaces—PartIV
ButthistruthwasmostsatisfactorilydemonstratedwhencivilizationreachedthebanksoftheOhio。ThestreamwhichtheIndianshaddistinguishedbythenameofOhio，orBeautifulRiver，watersoneofthemostmagnificentvalleysthathaseverbeenmadetheabodeofman。UndulatinglandsextenduponbothshoresoftheOhio，whosesoilaffordsinexhaustibletreasurestothelaborer;oneitherbanktheairiswholesomeandtheclimatemild，andeachofthemformstheextremefrontierofavastState:ThatwhichfollowsthenumerouswindingsoftheOhioupontheleftiscalledKentucky，thatupontherightbearsthenameoftheriver。ThesetwoStatesonlydifferinasinglerespect;
Kentuckyhasadmittedslavery，buttheStateofOhiohasprohibitedtheexistenceofslaveswithinitsborders。*h[Footnoteh:NotonlyisslaveryprohibitedinOhio，butnofreenegroesareallowedtoentertheterritoryofthatState，ortoholdpropertyinit。SeetheStatutesofOhio。]