Final answer:
The story element that the author develops in this excerpt is characterization of Meg.
Step-by-step explanation:
The story element that the author develops in this excerpt is characterization of Meg. In the excerpt, the author provides details about Meg's actions and behaviors, which helps the reader understand her character better. By showcasing Meg's excitement, enthusiasm, and desire to fit in with American culture, the author is developing her as a character and setting up potential conflicts in the story.