Answer: A. Elenita versus the music of her parents' homeland.
Explanation: in literature, a conflict is a struggle between opposite forces, usually between a character (the main character or a very important one) and himself (internal conflict), society or another character (external conflict). In the given excerpt from Gravity by Judith Ortiz Cofer we can see an example of an external conflict between a character (Elenita) and the music of her parents' homeland, which her mother used to listen to in the evenings.
Economy helped increase in acreage, military force, strong political leaders, and the rocketing of the country.
It sounds like the narrator could be the mother of the two girls based on how she was describing Maggie in the first paragraph. I hope this helps