Are you not like the children of the Ethiopians to me, children of Israel?" says Yahweh. "Haven't I brought up Israel out of the land of Egypt, and the Philistines from Caphtor, and the Syrians from Kir?
The Jewish race, all of them, northern and southern kingdoms, had further perverted and misconstrued the promise by applying it, without reservation, to their secular kingdoms.  This prophecy put an end to that error, for all who will read and understand Amos.