Judges 3:2 KJV
Only that the generations of the children of Israel might know, to teach them war, at the least such as before knew nothing thereof;
Judges 3:1–5 KJV Chapter Context
1
Now these are the nations which the LORD left, to prove Israel by them, even as many of Israel as had not known all the wars of Canaan;
2
Only that the generations of the children of Israel might know, to teach them war, at the least such as before knew nothing thereof;
3
Namely, five lords of the Philistines, and all the Canaanites, and the Sidonians, and the Hivites that dwelt in mount Lebanon, from mount Baal-hermon unto the entering in of Hamath.
4
And they were to prove Israel by them, to know whether they would hearken unto the commandments of the LORD, which he commanded their fathers by the hand of Moses.
5
And the children of Israel dwelt among the Canaanites, Hittites, and Amorites, and Perizzites, and Hivites, and Jebusites: