'War' in the Bible

Eventually the king of Aram went to war against Israel, taking counsel with his advisors and concluding, "In such and such a place I'll build my encampment."

So Rab-shakeh returned and found the king of Assyria at war with Libnah, because Rab-shakeh had heard that the king had left Lachish.

I will abandon the survivors of my heritage and hand them over to their enemies. They will become war booty and spoil to all of their enemies,