New Defender's Study Bible Notes
15:4 men of Judah. Long before the divided kingdom, Judah’s role is seen as distinct from that of the other tribes. See also I Samuel 11:8. This may be an indication, however, that the book itself was either written or edited after the separation of the northern tribes under Jeroboam from Judah under Rehoboam (I Kings 12:16-19).