According to von Thunen’s model, the area beyond the fourth ring represents unoccupied wilderness. Based on his theories, which of the following statements would von Thunen most likely make about the area beyond the fourth ring? A. Producing agriculture past the area of the fourth ring would lead to famine. B. Producing agriculture past the area of the fourth ring would not be accessible to the railroad. C. Producing agriculture past the area of the fourth ring would not be profitable. D. Producing agriculture past the area of the fourth ring would be too dangerous.