Final answer:
Governor Bullock's introduction in the second discourse highlighted the speaker as a representative of black progress and signaled an intent to foster racial harmony.
Step-by-step explanation:
In the "second discourse", related to Governor Bullock's address at the Atlanta Exposition, Bullock introduces the speaker as a representative of "Negro enterprise and Negro civilization". The speaker, upon delivering his address, sought to cement the friendship and cooperation between the races, a sentiment that underscored the event. Although the introduction by Governor Bullock is succinct, it sets the stage for a significant speech aimed at promoting racial unity and progress.