Why do you think Glinda chose rubies to decorate her throne wizard of oz?

Glinda likely chose rubies to decorate her throne in "The Wizard of Oz" because they symbolize power, beauty, and wealth, aligning with her role as the Good Witch of the South. The vibrant red color of rubies also represents love and protection, reflecting Glinda's nurturing and benevolent nature. Additionally, their striking appearance would enhance the visual spectacle of her character and the Emerald City, underscoring the themes of magic and wonder in the story.