Answer:
B) He uses a previous status of African Americans as evidence.
Step-by-step explanation:
In a 7 to 2 ruling, the Court concluded that African Americans were not and could not become U.S. citizens. As a result, Scott's suit in federal court would be ineffective. Many people think that the ruling, which led to a debate that brought the country closer to civil war, was one of the worst decisions in Supreme Court history.