People of all nationalities reside in this community. Which detail from the account best support this idea

b. About 15% of Chapel Hill’s undergraduates come from other countries.

Explanation:

This is based on text from "Brief History of Chapel Hill". Fifteen percent of Chapel Hill's undergraduates coming from other countries is quite a significant percentage and just proves that there are different nationalities in the town.

With that many foreigners in the university, there must surely be a significant number of other foreigners in the town because university populations have been known to be representative of their location.

can you provide the options?

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.