Why did God kill the Amorites (Canaanites)?

When opposing the Bible, people will commonly bring up the subject of God commanding Israel to kill the Amorites (a group of the greater Canaanite people). How do we as Christians defend the Bible when it comes to this topic? The evidence is right beneath our feet... literally!If you enjoy my work, please consider supporting me by using the "Thanks" button! Christ bless you all and salam!