Here's why:
* Personification: Giving human qualities or characteristics to inanimate objects or abstract ideas.
* In the sentence: "Gleamed" is a word that describes how light reflects, which is a characteristic of physical objects. However, it's being used to describe LaTonya's emotional state of pride.
Therefore, by attributing the action of "gleaming" to LaTonya, the sentence is personifying her pride and making it more vivid and relatable.