Deuteronomy 13:15

15 Then take up arms against the people of that town and give it up to the curse, with all its cattle and everything in it.

Deuteronomy 13:15 Meaning and Commentary

Deuteronomy 13:15

Thou shalt surely smite the inhabitants of that city with the
edge of the sword
This could not be the work of a single person, nor of the whole sanhedrim, but was what the whole nation was to join in, according to the above note:

destroying it utterly;
pulling down the houses, and demolishing its walls and fortifications, or burning it, as afterwards explained:

and all that is therein;
men, women, and children:

and the cattle thereof, with the edge of the sword;
this severity was used to show the Lord's indignation against the sin of idolatry, and to deter persons from it, both individuals and bodies of men.

Deuteronomy 13:15 In-Context

13 That good-for-nothing persons have gone out from among you, turning the people of their town from the right way and saying, Let us go and give worship to other gods, of whom you have no knowledge;

14 Then let a full search be made, and let questions be put with care; and if it is true and certain that such a disgusting thing has been done among you;

15 Then take up arms against the people of that town and give it up to the curse, with all its cattle and everything in it.

16 And take all the goods into the middle of its open space, burning the town and all its property with fire as an offering to the Lord your God; it is to be a waste for ever; there is to be no more building there.

17 Keep not a thing of what is cursed for yourselves: so the Lord may be turned away from the heat of his wrath, and have mercy on you, and give you increase as he said in his oath to your fathers: