Answer:
agreement is the right one. letter c
People would want to live the American Dream because of what they are told and promised in their homeland. For example, (I'm not sure when) but immigrants back then would be so excited to go to America because they were told the roads were paved in gold. Most importantly, these people came from countries going through war, famine, discrimination against certain minorities, and other hardships. They came to America to live in America because of the promise of freedom, and that's all they wanted.
It doesn't summarize details and events.
The narrator is removed from the story and gives details about all the characters.
An omniscient point of view enables the narrator to access all the thoughts and ideas of all the characters. The narrator, as an omniscient narrator, even knows some things that other characters do not know.