That's an interesting interpretation
The founders and those who came soon after them did pretty well at handling external national affairs. Mostly by staying out of them as much as possible. Isolationism was a lot easier back then.
Not sure what you mean by corporations making the Civil War necessary.
Sometimes I wonder what would have happened if we'd just told the South "good riddance." How long could an agricultural slave society survive next to an industrial North that was thirty years away from the beginnings of mechanized farming?
Concentration of power always ends up badly. Always.