He found that the US Constitution as written did not confer citizenship on slaves nor could the US Congress make laws for the US territories like the Missouri Compromise that were therefore unconstitutional
Which meant that Dred did not have legal standing to sue in court
Dred Scott was a 7-2 decision on those grounds
And that's why conferring citizenship on past slaves required a Constitutional Amendment which later occurred as part of Reconstruction
Its a much more complicated but straightforward issue than “ racism”
Shutup.
Stop
Telling the truth about Dred Scott will only confuse them.
Actually it won’t because their closed and feeble minds are made up.
Oh look, a shiny red ball, let’s go chase it.