He left those nations simply because he wanted to teach the subsequent generations of Israelites, who had not experienced the earlier battles, how to conduct holy war.
TSK
TSK · 2 Timothy 4:7
مراجع Treasury of Scripture Knowledge في NET.
But as for the seed that landed on good soil, these are the ones who, after hearing the word, cling to it with an honest and good heart, and bear fruit with steadfast endurance.
Jesus said to them,“My food is to do the will of the one who sent me and to complete his work.
But while John was completing his mission, he said repeatedly,‘What do you think I am? I am not he. But look, one is coming after me. I am not worthy to untie the sandals on his feet!’
Do you not know that all the runners in a stadium compete, but only one receives the prize? So run to win.
I put this charge before you, Timothy my child, in keeping with the prophecies once spoken about you, in order that with such encouragement you may fight the good fight.
Conclusion O Timothy, protect what has been entrusted to you. Avoid the profane chatter and absurdities of so-called“knowledge.”
The Lord’s Discipline Therefore, since we are surrounded by such a great cloud of witnesses, we must get rid of every weight and the sin that clings so closely, and run with endurance the race set out for us,
Because you have kept my admonition to endure steadfastly, I will also keep you from the hour of testing that is about to come on the whole world to test those who live on the earth.