[quote=jeray2000]
How exactly would new nations be discovered? Is this in an alternative universe, because humans have more or less mapped the whole world, and there certainly aren't any big nations we haven't already found. A small tribe, sure, but not a nation.
[/quote]

naturally takes place in a alternate world, we've kinda completely explored this entire planet. now then, aren't you supposed to be making chocolate rain from cotton candy clouds?