Point of view, the language use, and the authors purpose.
I would say "Pet store as the four friends".
Answer:
Emmitt goes to Burn Corn, Alabama, in order to learn more about his family history and heritage. Through conversations with his parents, he learned that his grandmother, Erma Lee Watson, was from that place, so he went there to talk to locals in order to get familiar with the history of his family in more details. Luckily, there were some people there who knew who he was and who could help him.
(The question refers to <em>Who Do You Think You Are, </em>on NBC)
Foreshadowing means to give hints of the future. Like in "A Tale of two cities" by Charles Dickens, a man writes "Blood" on the wall, that word represents that there's probably a war coming.
