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-Roger B Taney repealed effectively the Missouri compromise.
Main idea: Cultural hearths promoted by the spread of new ideas, practices, and technology in different parts of the world.
Goodness, Prosperity and Law.