There are nuclear weapons in China Iran Korea and Pakistan. It wouldn't take much to send a couple of warheads off on this planet somewhere that would cause a lot of environmental damage then if you have got someone who wants to retaliate you have real problems.

Random Quote

I represent the kids who come from nothing but who understand it all and love it all. That's what I represent - those are the cool kids you know the kids of tomorrow because who would've known that I'd be who I am today? We are the kids of tomorrow.