Final answer:
In chapters 10-14 of The Wonderful Wizard of Oz, Dorothy must kill the Wicked Witch of the West in order for Oz to help her.
Step-by-step explanation:
In chapters 10-14 of The Wonderful Wizard of Oz, Dorothy must kill the Wicked Witch of the West in order for Oz to help her. Oz asks Dorothy to bring him the broomstick of the Wicked Witch of the West to prove that she has successfully defeated her. This task is completed in chapter 12, where Dorothy, with the help of her friends, manages to kill the witch and take her broomstick to Oz.
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