1 Samuel 15:2-3
Thus says the LORD of hosts: āI will punish Amalek for what he did to Israel, how he ambushed him on the way when he came up from Egypt. Now go and attack Amalek, and utterly destroy all that they have, and do not spare them. But kill both man and woman, infant and nursing child, ox and sheep, camel and donkey.āā
Exodus 17:8-16Now Amalek came and fought with Israel in Rephidim. And Moses said to Joshua, āChoose us some men and go out, fight w
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This isn't an argument for or against abortion. It's merely pointing out that, in the Old Testament, God orders soldiers to kill babies during warfare.
And. while Christians may argue that the Old Testament isn't relevant today, one could also argue that, if God isn't against killing actual, born babies, that God wouldn't have been against abortion.
The way I would view it is that more humanistic values, such as those which value the lives of unborn children tended to become more widespread over time, and in ancient cultures, where threats to survival were a much more common part of life, humanistic values tended to be more respected.