Final answer:
Joan of Arc was a 17-year-old French girl who fought bravely in the Hundred Years' War and played a crucial role in securing the French throne.
Step-by-step explanation:
Joan of Arc was a 17-year-old French girl who played a significant role in the Hundred Years' War between France and England during the 15th century. She is remembered as a brave and inspirational figure who fought alongside the French army and helped crown Charles VII as the king of France.
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