Board Thread:Naruto Discussions/@comment-26127155-20150326052215/@comment-6769189-20150528120250

@isterio: White Zetsus don't age, don't need to eat, don't excrete, capable if beeaking through stone, have regeneration, rarely think for themselves. Back when no one had chakra, they were the perfect army.

She may have intended to go other countries/continents. Depending how you interpret the data book, she was from another universe, world, or society. The word literally translates to "world," but when it comes to translation not everything is meant to be taken literally. This wiki is set on "world" referring to the planet. Personally I have my doubts but until there is clarification thats what we have.

Kaguyas original goal was to end the worlds fighting and bring peace, but then all the power went to her head and she became mean and crazy.

@chaos: depending how you read the sentence it could imply that, but the Byakugan requires chakra to work and its most useful purpose is the ability to see chakra. Logically it couldnt have existed before the Shinju nor would it serves a huge purpose evolutionary-wise