Answer: Your welcome!
Step-by-step explanation:
The key details in the excerpt deepen the reader's understanding of how the Black community worked together by showing the collective effort that went into distributing the leaflets. It demonstrates that a large number of leaflets were distributed to many different locations, that a diverse group of people were involved in the effort, and that the leaflets were distributed in advance of the evening meeting. This indicates the level of organization and collaboration within the Black community, as it took a concerted effort to coordinate the distribution of so many leaflets. It also shows the commitment of the community to their cause, as they were willing to put in the time and effort to ensure that their message would be heard.