In the beginning of our reign there was not much, not much at all. But as we grew more powerful on our council the world became plentiful, full of life, trees, wolves, and most hated of all-Humans.
You see, we made humans to be caretakers of our council but once we dropped them where they were assigned to work they ran. Finding them was no problem, we had put trackers on their necks just in case they ran. We could've caught them but they had betrayed us so we banished them from our garden and sent them out into the barren desert.
What the humans didn't quite understand at that point was the ability of our trackers, each time a human imbedded with a tracker had a child, the child would then carry the tracker. We, the council, decided that if the humans lasted for 8 million years we would take five back, the five whose ancestors started it all, five kids, five stories, five kidnappings, and this is just the beginning...
Waking up in the body of a 6-year-old boy a few years before Cintra is destroyed, Madara receives a system that gives him the ability to gain the powers of Uchiha Madara.
[The peak of Uchiha Madara's system is before he becomes the ten-tails jinchuuriki.]