What I meant was that slavery was a big divide in the US. This was not caused by the constitution. I think any founding documents would have had the same effect

What I meant was that slavery was a big divide in the US. This was not caused by the constitution. I think any founding documents would have had the same effect: massive bloodshed to force part of the country to stop slavery. When I say independent of the constitution, I mean that no matter what legal foundational framework, I think we would have had the civil war to end slavery. Even if we had the magma carta or whatever.