Now these are the nations, &c. The sacred historian having declared, in general, that God did not judge it proper to drive out all the Canaanites, because he intended to try the fidelity and zeal of his people in his service, proceeds now to enumerate the particular nations which remained unsubdued. As many as had not known all the wars of Canaan That is, such as were born since the conclusion of the wars, or were but infants during their continuance, and therefore had no experience of them, nor of God's extraordinary power and providence manifested therein.
Related Commentaries of Judges 3:1
Judges 3:1
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;