ReturningfromFrance,JeffersonstrivestopreservethefragilenewU.S.governmentandhelpscreatethefirstpoliticalparty,inbitterstruggleswiththeFederalists.Hebecomesvicepresidentin1797,andthethirdU.S.presidentin1801.HisLouisianaPurchasedoublesthenation'ssize,buthefacescontroversyandscandal,finallyretiringtohisbelovedMonticelloin1809.HislastyearsarespentfoundingtheUniversityofVirginia.