Some federalists believed that the constitution was itself a bill of rights because it

a.
was ratified by the people.
b.
was written to ensure liberty for all citizens.
c.
established a republic in which the people hold the power.
d.
fit the needs of a changing nation.

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.