Answer:
Dred Scott
Step-by-step explanation:
The Dred Scott case, also known as Dred Scott v. Sandford, the case led to a decade-long battle for freedom by a Black slave named Dred Scott, which proceeded through several courts before reaching the U.S. Supreme Court, whose decision frustrated abolitionists, gave momentum to the anti-slavery movement, and served as a milestone for the anti-slavery movement.