one is if the earth was attack bed extra territorials we would -- terese centrals we would come together put if one nation state could achieve global hegemony over all the other nation states, sore of a roman empire, we would have a central that, world government, whatever you want to call it, that could pursue the role in interests. with we we had advance notice that aliens are coming and thaw are like in the bad movies, then we may get together. if you look at a threat of climate, it's quite serious and you could look at the carbon emission as a -- the kind of enemy which attack us all and has not sufficed to bring us together. it has to be a farely dramatic attack -- fairly dramatic attack but that could happen. i don't want to sit back and wait for that. the second is, yes, if one country succeeded in dominating the world, but i must say that's again a very, very dark picture, and so the united states sometimes talks about its china attacking india, and i find -- it was mentioned earlier in the book about that. if you mention -- what happened if china wins, what are you going to do w