- 問題詳情:Overthirtythousandyearsago,peoplefromnorthernAsiawenttoAmerica.Today,wecallthesepeopleIndians.TheIndianswenttoAmericabecausetheweatherbegantochange.NorthernAsiabecameverycold.Everythingfroze.Theyhadtomoveordie.HowdidthefirstIndiansgotoAmerica...
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