She is credited with helping create the Alpha Kappa Alpha motto and was a charter member of the Xi Omega Chapter?

The correct choice is Lillie E. Burke, who played a significant role in the early formation of Alpha Kappa Alpha Sorority. She is known for her contributions to developing the sorority's motto, which emphasizes the values and principles that guide the organization. As a charter member of the Xi Omega Chapter in New York City, Burke's involvement was instrumental in expanding the reach and influence of Alpha Kappa Alpha beyond its original foundation in 1908. Her legacy is intertwined with the founding principles of the sorority, and her contributions continue to be celebrated within the organization today.

The context of her involvement highlights the importance of the individuals who shaped the sorority's identity and mission, ensuring their ideals are preserved for future generations. This reflects not only her personal achievements but also the collective efforts of the founders and early members in establishing a strong foundation for Alpha Kappa Alpha.