Who issued the ruling for the supreme court?

a) dred scott
b) roger b. taney
c) abraham lincoln
d) john c. calhoun

Roger B. Taney issued the ruling for the Supreme Court

Explanation:

The chief justice of the Supreme Court in America delivered the milestone judgment governing that Americans who have the African ethnicity and origin will not be considered as American citizens and they don’t possess the right to litigate in the federal court.  

It was considered to be the most atrocious racial based verdict as the bench of judges in Taney ‘court was the members who supported slavery. ‘Slavocracy’ was prevailing in the society which was revealed in the decision of the judge.