The Wonderful Wizard of Oz cap to summon the Winged Monkeys two more times. When Dorothy and her friends meet the Wizard of Oz again, Toto tips over a screen in a corner of the throne room that reveals the Wizard. He sadly explains he is a humbug—an ordinary old man who, by a hot air balloon, came to Oz long ago from Omaha. The Wizard provides the Scarecrow with a head full of bran, pins, and needles ("a lot of bran-new brains"), the Tin Woodman with a silk heart stuffed with sawdust, and the Cowardly Lion a potion of "courage". Their faith in the
Political interpretations of The Wonderful Wizard of Oz people (and even the Good Witches) into believing he is benevolent, wise, and powerful when really he is a selfish, evil humbug. He sends Dorothy into severe danger hoping she will rid him of his enemy the Wicked Witch of the West. He is powerless and, as he admits to Dorothy, "I'm a very bad Wizard". Hugh Rockoff suggested in 1990 that the novel was an allegory about the demonetization of silver in 1873, whereby “the cyclone that carried Dorothy to the Land of Oz represents the economic and political upheaval, the yellow brick road stands for the gold standard,