D.
although Jefferson was part of the upperclass himself he fought for the voices of small farmers and believed that if the federal government became to powerful the people would revolt. he also believed that the banks had too much power and that power should be given to the people
The answer to this would be the Commerce Clause. Hope this helps! :)
There was a large desire for slaves because these slaves didn't need to be paid, as long as they were fed, they would be able to work for any amount of time for next to no cost at all.
They wanted to form their own way
