It was not constitutional
The Normans were anti-slavery. Rather than enslaving prisoners, they worked out they could make a tidy profit from ransoming them. The Normans built all the Romanesque cathedrals in England.
Great Britain remembered the war because they had a conflict France. Overall, the British won. Count that as their victory.
The Chief Justice who wrote the decision in Brown v. Board of Education was Chief Justice Earl Warren.
