2 Chronicles 20:35–36 explains that the two kings jointly built the fleet to reopen the trade with Ophir (see the note on [Reference 1 …

Then said Ahaziah the son of Ahab unto Jehoshaphat
Who very probably had built some more ships on his own, having br…

Jehoshaphat's reign appears to have been one of the best, both as to piety and prosperity. He pleased God, and God blessed him.