The answer is a hidden curriculum. It is a byproduct
of an education, "[teachings] which are educated but not acquiescently envisioned"
such as the show of standards, principles, and views took in the classroom and
the community environment. Some learning experience may impart unintentional
lessons.
There were many reasons. For starters, the entire economy was based around slaves working on plantations of things like tobacco or for making gin. Without them the state would break down because they wouldn't have the free workforce that they had when they had slaves. Also, it would also help the northern states and abolitionists since there would be more non slave than slave states.
As you get older you can get more mature, and wise
I’m not sure try using Socratic... B