This visit indicates a complete change in the relationship that had previously existed between the kingdoms of Israel and Judah. The common danger …

Jehoshaphat the king of Judah came down.

The fuller account of the Chronicles (2 Chronicles 17:0) notices that …

And it came to pass in the third year
Of the peace, before it was expired:

that Jehoshaphat the k…

The same easygoing nature, which leads some godly persons into friendship with the declared enemies of religion, makes it very dangerous for them. …