The Supreme Court decision Dred Scott v. Sandford was issued on March 6, 1857. Delivered by Chief Justice Roger Taney. Declared that slaves were not citizens of the United States and could not sue in Federal courts.
Answer: to seek better employment and to seek better education. Explanation: the 20's and 30's still had many white men acting heavily racist against blacks, especially in the south. they fled north to hopefully find better opportunities
