What are two quotes in Walk Two Moons that show the use of setting?

On the tombstone, beneath her name and the dates of her birth and death, was an engraving of a maple tree, and it was only then, when I saw the stone and her name - Chanhassen 'Sugar' Pickford Hiddle - and the engraving of the tree, that I know, by myself and for myself, that she as not coming back.

One day I realized that our whole trip out to Lewistonn had been a gift from Gram and Gramps to me. They were giving me a chance to walk in my mother's moccasins - to see what she had seen and feel what she might have felt on her last trip.