Final answer:
The attendance of white people at the speech symbolizes their commitment to the destiny of the African-American community, contradicting any notions of support for segregation or opposition to civil rights.
Step-by-step explanation:
The presence of white people at the speech being referenced signifies a commitment to the Negro community's destiny. This interpretation of the attendance suggests that by choosing to be there, white individuals were demonstrating an interest in the issues facing the African-American community and a readiness to engage with the dialogue concerning racial equality and justice. Conversely, this attendance did not demonstrating support for segregation, disinterest in freedom, or opposition to civil rights.