Then Amaziah separated them, the army that had come to him out of Ephraim, to go home again: therefore their anger was greatly kindled against Judah, and they returned home in great anger.

All of Israel since the king wasn't going to listen to them the people responded to the king, "What's the point in following David? We have no inheritance in the descendants of Jesse. Let's go home, Israel! David, take care of your own household!" So all of Israel left for home.

And their father gave them great gifts of silver, and of gold, and of precious things, with fortified cities in Judah: but the kingdom he gave to Jehoram; because he was the first-born.