What significant contribution did Ethel Hedgeman (Lyle) make to the sorority?

Ethel Hedgeman (Lyle) is best known for her pivotal role in founding Alpha Kappa Alpha Sorority, which holds the distinction of being the first Black sorority in the United States. Established in 1908 at Howard University, this organization was created to provide a supportive space for collegiate women, emphasizing scholarship, service, and sisterhood. Lyle's vision and leadership were crucial in shaping the early goals and values of the sorority, establishing a lasting legacy that has empowered generations of women. Her contributions went beyond mere organization; they set the stage for future Black sororities and the broader Greek-letter organization community. The other options, while significant in their own right, do not capture the full scope of her foundational achievement.