Final answer:
Delta Zeta was established at Appalachian State University in 1972, which is important due to the role Greek life plays in university culture and ongoing alumni contributions.
Step-by-step explanation:
The fraternity Delta Zeta (DZ) was started at Appalachian State University (App State) in the year 1972. It is significant because Greek life, such as sororities like Delta Zeta, often plays a vital role in university culture, providing community engagement, leadership opportunities, and contributing to the personal growth and network development of its members. Additionally, alumni from such organizations may continue to support the university and offer resources for future students, thereby fostering a lasting legacy and impact on the institution.