Did Baum ever confirm this political interpretation of his works? I've read about his writing approach and it doesn't seem likely to me. His intention was to cr

Did Baum ever confirm this political interpretation of his works? I've read about his writing approach and it doesn't seem likely to me. His intention was to create a body of fairy tales that was purely American, that is, without the influence of the Brothers Grimm and the like. He developed his manuscripts piecemeal, adding bits here and there as inspiration came, resulting in rather disjointed narratives.