Final answer:
Justice Taney claims that Black people were not part of the group considered citizens by the Constitution.
Step-by-step explanation:
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, whether emancipated or not, were considered a subordinate and inferior class who were subject to the authority of the dominant race. As a result, they had no rights or privileges outlined in the Constitution.
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