Erdogen fancies himself the next Caliph.
Erdogan wants to reestablish the Ottoman Empire with a new name - The Erdogan Empire.
I see a coming head-butt with Xi Jinping of China, who also fancies himself as heading up a global government.
Neither option seems to preserve any semblance of continued good economic times or relative cession of most international confrontation.
It would not bode well for America’s supremacy in the future.