2
This was to teach the future generations of the Israelites [how to fight in] battle, especially those who had not fought before.
Judges 3:2 In-Context
1
These are the nations the LORD left to test all those Israelites who had not experienced any of the wars in Canaan
2
(he did this only to teach warfare to the descendants of the Israelites who had not had previous battle experience):
3
the five rulers of the Philistines, all the Canaanites, the Sidonians, and the Hivites living in the Lebanon mountains from Mount Baal Hermon to Lebo Hamath.
4
They were left to test the Israelites to see whether they would obey the LORD’s commands, which he had given their ancestors through Moses.
5
The Israelites lived among the Canaanites, Hittites, Amorites, Perizzites, Hivites and Jebusites.