If taking about Dred Scott, it might be said that he sued for his freedom but lost. He was a slave and his freedom was denied even though he lived in a free territory.
-Solomon Northrup was a back freedman who lived in New York. He was capture and sold into the New Orleans slave market.
-Roger B Taney repealed effectively the Missouri compromise.
The Appilachian mountains was the greatest barrier, because it was crawling with Indian's that may have made them turn back.
Answer:to figure out how hazardous it would be for others
Explanation:
