Answer:
The Equal protection clause.
Explanation:
The doctrine of separate but igual is unconstituional.
Marbury v Madison helped as a background for this case, since the Supremacy Clause of Article VI is the supreme law for the whole land.
I Think The answer is c I hope it helps My friend Message Me if I’m wrong and I’ll change My answer and fix it for you
He feared that the Spanish might do no better than the Serfs that had to work for free.
He will tell of their greatness when he returns