PLEASE HELP ME ON MY LAST TWO QUESTIONS

Read this excerpt from holes. a patrol car pulled alongside him. a policeman asked him why he was running. then he took the shoes and made a call on his radio. shortly thereafter, stanley was arrested. it turned out the sneakers had been stolen from a display at the homeless shelter. that evening rich people were going to come to the shelter and pay a hundred dollars to eat the food that the poor people ate every day for free. clyde livingston, who had once lived at the shelter when he was younger, was going to speak and sign autographs. his shoes would be auctioned, and it was expected that they would sell for over five thousand dollars. all the money would go to the homeless. why does sachar include this description of the shoes in the flashback? a.to show where the shoes came from b.to show how valuable the shoes were c.to reveal why stanley was arrested d.to give background on the homeless shelter

It's to know your purpose before you read something because a purpose can:

Fine fellow, that lebrun," said arobin when robert had gone. "i never heard you speak of him.""i knew him last summer at grand isle," she replied.  what becomes apparent during this conversation? robert and arobin are both aware they are rivals for edna’s affections.arobin is unaware of robert’s role in edna’s life, but robert is aware of arobin’s role.robert is completely unaware of arobin’s romantic intentions and love for edna.robert has much more confidence in himself than arobin does.