He fought with the king of the Ammonites and prevailed against them. And the Ammonites gave him that year 100 talents of silver, and 10,000 cors of wheat and 10,000 of barley. The Ammonites paid him the same amount in the second and the third years.
There is not much more related here concerning Jotham than we had before, Kg2 15:32, etc. I. He reigned well. He did that which was right in the sight of the Lord; the course of his reign was good, and pleasing to God, whose favour he made his end, and his word his rule, and (which shows that he acted from a good principle) he...
Commenting on 2 Chronicles 27:1-9
So Jotham became mighty,.... Having built towers and castles, and fortified cities, and conquered his enemies: because he prepared his ways before the Lord his God; ordered, directed, and guided them according to the word and will of God, and walked as in the sight of God, having the fear of him continually before him.
HE SUBDUES THE AMMONITES. (Ch2 27:5-9) He fought also with the king of the Ammonites--This invasion he not only repelled, but, pursuing the Ammonites into their own territory, he imposed on them a yearly tribute, which, for two years, they paid.