“Look, these women caused the sons of Israel, through the counsel of Balaam, to turn unfaithfully against the LORD at Peor, so that the plague struck the congregation of the LORD.
But all the women children,.... The females among the little ones: that have not known a man by lying with him; which might be pretty clear, and easily concluded, from their age: keep for yourselves; either to be handmaids to them, or to be married among them when grown up, and become proselytes, and initiated into their religion.
Behold, these caused the children of Israel, through the counsel of Balaam, to commit trespass against the LORD in the matter of Peor, and there was a plague among the congregation of the LORD. (f) For worshipping of Peor.
Num 31:13-18 Treatment of the Prisoners. - When Moses went out to the front of the camp with Eleazar and the princes of the congregation to meet the returning warriors, he was angry with the commanders, because they had left all the women alive, since it was they who had been the cause, at Balaam’s instigation, of the falling away of the Israelites from Jehovah...
Commenting on Numbers 31:13-18