How did the court limit the protections of the thirteenth and fourteenth amendment?

I believe the answer to this question is  a five-to-four majority, the Court ruled against the other slaughterhouses. ... More importantly, in limiting the protection of the privileges and immunities clause, the court unwittingly weakened the power of the Fourteenth Amendment to protect the civil rights of blacks.

Explanation:

a) hostility to or prejudice against jews.

b) the holocaust, also referred to as the shoah, was a genocide during world war ii in which nazi germany, aided by its collaborators, systematically murdered approximately 6 million european jews             , around two-thirds of the jewish population of europe, between 1941 and 1945.

i believe it to be a democracy