>That they could be a threat is not the same as the being a threat. In realism(as in realism theory of international relations) they are the same thing. You sh

>That they could be a threat is not the same as the being a threat. In realism(as in realism theory of international relations) they are the same thing. You should prevent a rival from having the capability to harm you if you can, not let them develop the capability to harm you and hope that they don't.