C is your answer to the question
They constitution protect slavery in a way that you can pay people to work for you but you cannot make them do it they have to be their on their own consent and it proctect slavery because people were dying from being overworked and underpaid.
there are plenty.
if you are looking for something from way back, there was the tea act and it put taxes on tea and the colonists from Boston boarded british ships and dumped the tea into the ocean, otherwise known as the Boston tea party.
