Why does heinz feel “all alone” despite drinking toasts with sousa and the bartender?

What is the relationship between paragraph 2 paragraph 3 through 29?

1. imaginary persons in a novel believable characters 2. characterization long prose narrative 3. real in the fictional world of the novel creation of characters 4. the novel world of fiction 5. world of the novel characters i need the answer

What is the province of il chicago?