#CalvertAmbush #AmericanSlavery #BlackPeopleForcedToBuildTheWhiteHouse #BlackPeopleForcedToBuildTheUSCapitol #NoPay #BlackPeopleBuiltAmericanInstitutions #July4th

ABC News: 1st Confirmed Descendants Of Enslaved Person Who Helped Build White House:

abcnews.com/US/1st-confi...