The correct answers are: language, religion and customs.
In this excerpt from “Mericans" by Sandra Cisneros we can see many elements of cultural heritage.
The mixture of English and Spanish as in "la ofrenda box" and "the altar to La Divina Providencia" shows how Mexicans still maintaing their own language.
The dropping of money before the altar, lighting of candles and the genuflecting present their devotion to their Christian Religion.
And her kissing her thumb after the blessing expresses a custom within the Chrisitan Religion as well.