(this was only so that the generations of the children of Israel might be taught to know war, at least those who had not formerly known it),
Judges 3:2
Surrounding context
3:1 Now these are the nations which the LORD left, that He might test Israel by them, that is, all who had not known any of the wars in Canaan
3:2 (this was only so that the generations of the children of Israel might be taught to know war, at least those who had not formerly known it),
3:3 namely, five lords of the Philistines, all the Canaanites, the Sidonians, and the Hivites who dwelt in Mount Lebanon, from Mount Baal Hermon to the entrance of Hamath.