What were the causes of the Supreme Court case Dred Scott v. Sanford?

the answer is the ku klux klan

d the wampanoag the pilgrims because the pilgrims protected them from their native americans foes.

whats the question? im not quite understanding your question.

while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.