This is a tough one ill get back to you if i find out
Https://quizlet.com/200176/legislative-branch-powers-flash-cards/
Answer:
Sandford, legal case in which the U.S. Supreme Court on March 6, 1857, ruled (7–2) that a slave (Dred Scott) who had resided in a free state and territory (where slavery was prohibited) was not thereby entitled to his freedom; that African Americans were not and could never be citizens of the United States;
A Missouri slave sued for his freedom, claiming that his four year stay in the northern portion of the Louisiana Territory made free land by the Missouri Compromise had made him a free man. The U.S, Supreme Court decided he couldn't sue in federal court because he was property, not a citizen.
Explanation: im pretty sure its A.
Looking back at history let's you see what didn't work and what will come in the future. Let's say I am looking for a way to stop viruses on computers, I would look back and see where viruses attacked, what their intent was and fixed vulnerabilities that have not been fixed.
I'm gonna do some more research then i'll get back to you on this.