Which two individuals influenced Ethel Hedgeman Lyle in her efforts to establish Alpha Kappa Alpha?

The correct choice highlights the influence of Tremain Robinson and Elizabeth Appa Cook on Ethel Hedgeman Lyle in the founding of Alpha Kappa Alpha Sorority, Incorporated. Tremain Robinson was an important mentor to Lyle during her time at Howard University, known for emphasizing the importance of education and community service, which are core values of the sorority. Elizabeth Appa Cook also played a significant role in helping to shape Lyle's vision for the organization, providing encouragement and support that contributed to the establishment of the sorority in 1908.

Their combined influence helped Lyle to articulate the mission and ideals of Alpha Kappa Alpha, fostering a commitment to sisterhood, academic excellence, and social action. These foundational elements continue to guide the organization's principles and activities today. Understanding this context illustrates the importance of mentorship and collaboration in the development of influential organizations like Alpha Kappa Alpha.