Final answer:
The theme of the short story 'The Stolen Party' is social class and inequality.
Step-by-step explanation:
The theme of the text in the short story 'The Stolen Party' is the idea of social class and inequality. The story explores the relationship between Rosaura, a young girl from a lower social class, and Luciana, a girl from a higher social class. The author uses this relationship to highlight the unfair treatment and discrimination that can occur based on social status.