Jehoshaphat strengthens Judah
Jehoshaphat strengthened Judah’s military, and surrounding nations brought him tribute.
Key passages
2 Ch 17:2

And he put troops in all the fortified cities of Judah, and put garrisons in the land of Judah and in the cities of Ephraim that Asa his father had taken.

2 Ch 17:10–19

And the fear of Yahweh was upon all the kingdoms of the lands surrounding Judah, and they did not make war against Jehoshaphat. And some of the Philistines brought a gift and silver to Jehoshaphat as tribute. The Arabians also brought him seven thousand seven hundred sheep and seven thousand …