19 And the servants of Hadarezer see that they have been smitten before Israel, and they make peace with David and serve him, and Aram hath not been willing to help the sons of Ammon any more.
19
When the vassals of Hadadezer saw that they had been routed by Israel, they made peace with David and became subject to him. So the Arameans were not willing to help the Ammonites anymore.
Young's Literal Translation is in the public domain.