I'm not having any trouble at all, I can entertain both the idea that war has advanced society despite other issues and the idea that it has not. It is, in fac

I'm not having any trouble at all, I can entertain both the idea that war has advanced society despite other issues and the idea that it has not. It is, in fact, unclear to me. I'm replying to a comment that says the idea that it has not is obviously impossible to entertain.