In a nueclear war why would the entire world be destroyed?Some countries, maybie even a whole continent would be destroyed but certainly not the whole world. So what destroyed the world? In mothership Zeta if you go into the expiriment chamber(or whatever it is called) you can find tons of toy horses.This has surprisingly not been the subject of too much dicusion.In Fallout 3 you can find several posters of these saying they cost like 5million bucks.Why?Because they were robotic. So alliens stole millions of them and reprogramed them to explode when they receive a certain que.(In Zeta you can find a horse opened whith pulse grenades right next to them)
Does any character actully say there was a nueclear war whith China? Not that it was going to happen that it DID happen? And if they did were they trustworthy? I believe that the horses were supposed to be used to make it look like America/China assassinated the daughters of the leaders of America/China.They retaliated by nuking eachother to hell. (China obviously had spied in DC
The aliens thought they would destroy the world but they were wrong so they used a deathray to raze the other countries.Then they flew away. Eventualy however when there mining crews went in to mine they saw small groups of people.They told there supperiours about it.the Suppiours sent Zeta back there to finish the job of deestroying earth...
As for Jet being in DC that is ralatively obviouse. The ghoul chemist isnt using brahmin poop he is using the raw chemicals. And he is putting them in a higher dosage (like the end of Limitless)
