Final answer:
Justice Taney claims that Black people were not considered citizens under the Constitution and could not claim the rights and privileges provided by it.
Step-by-step explanation:
Justice Taney's claim in this passage is that Black people were not part of the group considered citizens by the Constitution. He argues that Black people were considered a subordinate and inferior class of beings, who were subjugated by the dominant race. Therefore, they could not claim any of the rights and privileges provided by the Constitution to citizens of the United States.
Learn more about Black people and citizenship