BroJoeK has already explained it. “Southern” and “Confederate” were not the same.
And I don’t think it’s nice to accuse Southerners of being so dumb that mean old Mr. Lincoln could manipulate them into secession so easy just so New Yorkers could keep they’re money flowing. I do declare you must take them for country bumpkins!
But thankfully he has a lot of true believers who really really want to believe, and they don't notice any problems with his spiel.
Now you have demonstrated yourself to be a dishonest debater. You do not address the point put forth to you, and instead run off into the weeds at every opportunity.
When we started this exchange, You didn't know that the South was producing the vast bulk of all the European wealth entering this country. Now that you finally know about it, you ignore the significance of this, because it absolutely works against your position.
That money flow would not have disappeared (without force to stop it.) That money flow would have simply changed it's destination, and therein is the motive for the war.
Were you not wedded to believing a particular thing, you could see it. I suspect you do see it, but don't want to admit it.