When Hadadezer’s subjects saw they were defeated by Israel, they made peace with David and became his subjects. The Arameans were no longer willing to help the Ammonites.

“And you, Solomon my son, obey ¹  the God of your father and serve him with a submissive attitude and a willing spirit, ²  for the Lord examines all minds and understands every motive of one’s thoughts. If you seek him, he will let you find him, ³  but if you abandon him, he will reject you permanently.