When man doesn't know they're naked, they see skin color correctly.
Jews all look white, #FFF.
Romans all look orange, 🍊.
And man probably don't even think of those words. What more do they need than a name, if all is well.
And any visual differences, are seen as our "character" God gave us. Not just nature. And all feels good to look at.

But because they know they're naked, their eyes are naked to whatever evil their heart wishes, and their eyes lie as such.

And so by the evil of man's heart, existed numerous lies speaking of "old tribes", but God saw that for even just 3 of the "old tribes" in this lie, of which the lie says they began in different nations, God is the truth, they're actually just the same skin color and their age is no more than by the womb. There's no way to know more than this, not truly (your eyes are seeing a world made by liars, a world put on this earth by them before you were sent out of the garden of Eden). They could basically have just been pagans with no story as to their "history" to lie about, who Egypt knew before just worshipped things like the sun and creatures.

Their lie looks like godless men of Egypt heard Adam and Eve were being sent out of the garden of Eden, and so they gathered up pagans, grouped them by visual similarities (other than skin color), and put them in the lands to serve this lie. To label them as "different", when they weren't. The [we were here first]s, who's architecture looks fake, trash, like bad movie sets for lying.

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Those who weren't in the garden of Eden, while Adam and Eve still were, already knew they were naked.

And for what happened in the garden of Eden, it's like a lie was that one of the godless were never just "passing by", but had planned to go there and speak lies, to make Adam and Eve know they are naked.