Final answer:
A topical text structure is best used to describe the major businesses in New Mexico, organizing information to deepen understanding and align with educational goals.
Step-by-step explanation:
The purpose of a text that uses a topical text structure is often to organize information about various aspects of a subject to enhance the reader's understanding. Considering the context provided, the most appropriate answer to the student's question would be to use a topical text structure to describe the major businesses in New Mexico. This structure allows for a clear presentation of different industries or businesses, which aligns well with the educational objective of exploring multiple perspectives and providing relevant context for understanding modern-day needs and situations.