The nation states were bad enough; they would have destroyed civilization if left to themselves.

You have seen how they destroyed both the old and new civilizations of Iraq.

It is set in the future, after floods have destroyed civilization.

"Someday when all this is over and we have destroyed Western civilization. "

So, simply, they conditioned him to think his efforts had destroyed civilization.

It was inevitable, of course, that lawyers would destroy civilization.

His followers begin a revolutionary movement to destroy European civilization.

The Earth is going to face a plague that will destroy civilization.

I used to believe that all educated people knew an asteroid might one day strike the earth, destroying human civilization.

An object that size could devastate a small country and would probably destroy civilization.