Now when news of this reached all the kings west of the Jordan—those in the hill country, the foothills, and all along the coast of the Great Sea toward Lebanon (the Hittites, Amorites, Canaanites, Perizzites, Hivites, and Jebusites)—
1. And it came to pass when all the kings, etc. As the arrival of the people was well known to these kings from the very first, it is certain that their minds were intoxicated from above with security or lethargy, so that they did not forthwith league together to oppose them.
Hitherto the Canaanites had acted defensively; the Israelites were the aggressors upon Jericho and Ai. But here the kings of Canaan are in consultation to attack Israel, and concert matters for a vigorous effort of their united forces to check the progress of their victorious arms. Now, 1. It was strange they did not do this sooner.
Commenting on Joshua 9:1-2
And it came to pass, when all the kings which were on this side Jordan,.... On the side Israel now were, and was that in which the land of Canaan lay, and was now governed by many kings, and all that were now remaining, even all but the kings of Jericho and Ai, who were slain: both those in the hills, and in the valleys...