You process it in your mind, obtaining the information you have been told.
Generally, the elements of drama that reveal the traits and motivations of the character to the audience are plot and dialogue, but other elements may do this as well.
The answer is d. To drive back
In the Sioux creation story, the Creating Power flood the world because the creatures in it were bad and were destroying it. Then It put all of the living creatures on it again and humans as well, and told them that if they made the world bad and ugly once again, It would destroy that world too.
This creation story resembles the Christian flood myth, a story that the Europeans brought with them to the New World.
