How did the mountain of obatsuyama contribute o the solutin of the problem of the sotry of the aged mother?

The mountain of Obasuyama in the story of the aged mother provided a challenging terrain that tested the son's determination and loyalty to his mother. By overcoming the obstacles presented by the mountain, the son was able to save his mother and ensure her safety as they escaped into the mountains. Overall, the mountain symbolized the difficulties and trials that the son had to face in order to protect his mother and uphold his duty.