Who oppose Dred Scott and his court case

Answer:john F. A. Sanford

The Dred Scott case, also known as Dred Scott v. Sanford, was a decade-long fight for freedom by a black slave named Dred Scott. The case persisted through several courts and ultimately reached the U. S. Supreme Court, whose decision incensed abolitionists, gave momentum to the anti-slavery movement and served as a stepping stone to the Civil War.

John F. A. Sandford