Final answer:
In To Kill a Mockingbird, the other members of First Purchase behave with solidarity and support towards each other.
Step-by-step explanation:
In To Kill a Mockingbird, the other members of First Purchase, which is the African-American church in Maycomb, behave with solidarity and support towards each other. They create a sense of community and display their religious beliefs through their behavior. For example, when Calpurnia brings Jem and Scout to First Purchase, the members warmly welcome them and treat them with kindness. They sing hymns, pray, and show respect for their fellow churchgoers.