The Wizard of Oz is the first fantasy written by an American. Its evocative use of the forces of nature in its plots and produced powerful effect on the American imagination. The story follows Dorothy, a young orphaned girl raised by her Uncle Henry and Aunt Em in the bleak landscape of a Kansas farm. She has a little black dog Toto, who is her sole source of happiness on the dry, gray prairies. One day the farmhouse, with Dorothy and Toto inside, is caught up in a cyclone and deposited in a field in Munchkin Country, the eastern quadrant of the Land of Oz. The falling house kills the evil ruler of the Munchkins, the Wicked Witch of the East.