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Historically, the relationship between elves and dwarves has been characterized by hostility and misunderstandings. Gandalf highlights this when he states that in ancient times, there was a “strong friendship between peoples of different races,” particularly between elves and dwarves, which unfortunately waned due to past grievances.
Gimli and Legolas both acknowledge the strained relationships between their races without placing blame on either side. This reflects Tolkien's careful crafting of a complex world, wherein historical conflicts informed the prejudices of characters, while leaving room for individual friendship and cooperation.