Hey there!
<span>hastened the decline of African society is the answer</span>
Hope this helps!
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-Roger B Taney repealed effectively the Missouri compromise.
What amount? If there some sort of picture?