Hosea 13:16 - Samaria shall become desolate; for she hath rebelled against her God: they shall fall by the sword: their infants shall be dashed in pieces, and their women with child shall be ripped up.
Deuteronomy 2:34 - And we took all his cities at that time, and utterly destroyed the men, and the women, and the little ones, of every city, we left none to remain:
Deuteronomy 20:16-17 - But of the cities of these people, which the LORD thy God doth give thee for an inheritance, thou shalt save alive nothing that breatheth
Isaiah 14:21 - Prepare slaughter for his children for the iniquity of their fathers; that they do not rise, nor possess the land, nor fill the face of the world with cities.
I don’t like it, but this might be the most actual Christian approach. Jesus preached a lot of pacifism…
Jesus the pacifist everybody: