One side was fundamentally built upon slavery (and for the "but but but" kid in the back you will notice that the Union did not exempt their slave states from t

One side was fundamentally built upon slavery (and for the "but but but" kid in the back you will notice that the Union did not exempt their slave states from the Thirteenth Amendment) and attacked the other out of fear that their slaves would be taken away. I dunno, that feels like that kinda matters, too.