What is America's greatest strength?

The biggest strength is a very strong army and sophisticated weapons as America spends a lot on defense. Another strength is most of the intellectual and hard working people from different countries of the world go to America to study, work, and even live in America

the answer is, a) she is angry with elnora for not standing up for herself.

it is the background information on the characters and setting explained at the beginning of the story. the exposition will often have information about events that happened before the story began. the exposition is often the very first part of the plot.