Who was responsible for the approval of Regional Conferences?

The approval of Regional Conferences was primarily the responsibility of G. Dorothy Pelham Beckley, who played a significant role in the organizational structure of Delta Sigma Theta Sorority, Inc. Her leadership contributed to the establishment of policies and procedures that would enable the sorority to effectively conduct its regional activities. Beckley's commitment to fostering community engagement and promoting the missions of the sorority was instrumental in expanding the reach and impact of the organization through these conferences.

The other individuals listed were influential in their own right and contributed to the sorority's development, but G. Dorothy Pelham Beckley specifically held the position that was pivotal for overseeing the regional conference approval process, making her the correct answer in this context.