Naruto has only achieved what what his predecessor Hashirama has done in the past, only a momentary peace between the shinobi nations in a false sense of hope in their ill fate. Indra's descendants will undoubtedly rekindle the cycle of hatred just as Madara has done so in the past, nothing has changed once it transpires.
Their world was cursed the moment you brought these children into world of the living, and unless they are put in their place and/or obliterated it will be guaranteed that someone among them will rekindle the flames of war.
As said on the tablet, mother sought to end the conflicts of humankind but nothing was able to prevent her imprisonment.
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