The Fourteenth Amendment overturned the Dred Scott decision.
Fourteenth Amendment = 1868 amendment to the US Constitution extending federal constitutional protections to cover state law as well
But even if she had, Hagar, at least, lived long enough for the Fourteenth Amendment to free her.†
(source) Octavia Butler, Kindred, 1979
In 1872 he was elected to Congress, and his petition for a pardon from the disabilities imposed on all Confederate officials by the Fourteenth Amendment was granted.†
(source) John F. Kennedy, Profiles in Courage, 1955
Note: Article I, section 2, of the Constitution was modified by section 2 of the 14th amendment.†
(source) United States 'Founding Fathers', The Constitution of the United States, 1787