On changing the Constitution, Thomas Jefferson wrote, "laws and institutions must go hand in hand with the progress of the human mind. As that becomes more developed, more enlightened, as new discoveries are made, new truths discovered and manners and opinions change, with the change of circumstances, institutions must advance also to keep pace with the times.
Not that sure but Alexander Hamilton
Answer: You can find your answer at the website below.
Explanation:
https://www.khanacademy.org/humanities/us-history/civil-war-era/reconstruction/a/black-codes