Nubian Kings ruled well and restored many temples. Only the savage military-State of Assyria drove them out of Egypt. The Black Nubians were well liked by the Egyptian People.
Note: The Assyrians invented Cruxifiction—as a way to punish men for beating their wives and causing a miscarriage-—They extended this slow death to all they opposed. Why defend women? Because every dead child was one less soldier for the emperor! The state was dominate and owned all people!
The Assyrians certainly used crucifixion. They brag on all their monuments about the enemies they’ve crucified, impaled and burned alive.
But I’m not entirely sure nobody came up with crucifixion before them without our having come across the records. Humans have always been amazingly fertile in invention of ways to kill people slowly and painfully.