Because of Solomon’s unfaithfulness, God had already indicated that the kingdom would be split. ​ — 1 Ki.
وَعِنْدَئِذٍ ،‏ نَثْبُتُ فِي ٱلْعِبَادَةِ ٱلْحَقَّةِ بِعَكْسِ رَحُبْعَامَ .‏ —‏ يه ٢٠ ،‏ ٢١‏ .‏