Supernatural, Chapter 9 - HOLY WAR

The Bible is a controversial book. People who don’t see it as the Word of God often object to what it says. But some parts of the Bible make even Christians uncomfortable. Israel’s war to conquer the Promised Land is a case in point.
Why? Mostly because of the killing. It seems indiscriminate and far too thorough. Why was it necessary to kill entire populations in some cities—men, women, children, and even livestock? Why not let the inhabitants surrender? Wouldn’t it be better to exile them than to slaughter them?
There’s an answer to those objections.
(from the book)