Answer:
Hi! The answer is that Ellen couldn't marry John and rejected him because he defined himself in sort way as a radical transcendentalism, and the father of her didn't approve that view of living. Ellen couldn't be her wife because of the decision of her father, he didn't like the Thoreau's brothers.
I hope it helps you!
"Small fry" is what Aaron is called by his big brother.
The exposition is the very beginning of the story so it should introduce the characters and the setting and maybe introduce a lesson to be learned.
It would be a comprehensive description and explanation of an idea.
The type of exposition that is illustrated in this paragraph is illustration and example because in the first idea of the paragraph the picture of the topic is described by features and characteristics to give the reader that idea of large amount of unhealthy edible elements people eat per meal, and in the second idea of it there is an example that just looking at the menu, people may recognize the health problems eating these plates brings.