They knew that the more northern states, the more opposition against slavery. It was a domino effect
The answer is B
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The biggest failure was that the land was given back to the people who owned it before and who rejoined the union. It was also not redistributed to help the people who were former slaves on that land. What happened was that the sharecroppers system was created this way which eventually became oppressive again.
Answer:
Plessy v. Ferguson was important because it essentially established the constitutionality of racial segregation.
