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ThreeargumentsinthepassagesupportthatthesilvercoindiscoveredataNativeAmericanarchaeologicalsiteisafalsehistoricalevidence.However,theprofessorinthelecturecontradictsallofthem.Firstofall,theauthorarguesthatthedistancebetweenthesitewherethecoinwasfoundandthesettlementswheretheNorselivedismorethan1000kilometers,whichmeansthereisnorealrelationship.However,theprofessorrefutesthisideabyclaimingthatotherobjectsfromfarawayplaceshavealsobeenfoundinMainenotjustcoins.Besides,nativeAmericanslivinginMainesitewouldtravellongdistancesaroundNorthAmericaandbringbackwhattheywereinterestedin.SoitispossiblethattheNativeAmericanhasreachedtheNorsesiteandbringthesilvercoinbackwiththem.Second,theauthorstatesthatnoothercoinshavebeendiscoveredattheCanadiansiteswheretheNorseinhabited.However,theprofessormaintainsthatitdoesnotmeantheNorsedidnotbringthesilvercoinswiththem.ActuallytheNorsedidnothavepermanenthabitatsinCanada,andtheyatsomepointmovedbacktoEurope.AndwhentheymovedbacktoEurope,theyhavebroughtalltheirvaluablepossessionsincludingcoinsbackwiththem.SoitispossiblethattheybroughtcoinswiththemtoNorthAmericaoriginallyandtookthembacktoEuropelater.Third,thepassagesuggeststhattheNorsewereexperiencedtravelerswhoknewtheNativeAmericansdidnotregardthecoinsasmoney,sotheNorsewouldnotbringthecoinswiththem.Onthecontrary,theprofessorclaimsthatexperiencedtravelersliketheNorseknewthatNativeAmericanswereinterestedinattractiveandunusualthingslikecoins,sothecoinsmightbeappealingbecauseofthebeauty.Forexample,theycouldusethecoinstomakenecklacesorjewelries.OncetheNorsefoundtheNativeAmericanswereinterestedincoins,theywouldusethecointotradewiththeNativeAmericans.