 And I bring that up because I think in many ways we think of collective security, and we still do think of collective security in a very rationalistic way. Countries won't go to war with one another if they have a shared interest in prosperity, and so therefore as long as we can do that and we can satisfy broadly, then countries won't go to war. That still is the way in which we think about this. But it just strikes me that those two failures and the pivotal moments