Even just ceasing trade with the US would be catastrophic (for everyone, but specifically for the US) right now.
So yeah. Your conclusion seems to be correct.
This is what “careful what you wish for phrases” was invented for
Your narrow privileged view is disgusting, evil, and feeding the beast of empire. Shame on you.
My understanding is the US has in the order of ~600k bridges, you think there are 3-15 inhabitants per bridge from Florida to Alaska?