“here and there a military camp lost in a wilderness, like a needle in a bundle of hay …"
what literary device is the author using to form an image in the reader's mind?
a . alliteration
b. simile
c. foreshadowing
d. irony

A simile, a simile compares thing using words such as Like. SO the correct answer is B 

Macbeth sees banquo as a threat

Ifound this on google “what are motifs? a motif is a literary term that is an idea, object, or concept that repeats itself throughout a text. a motif gives clues to theme or reinforces ideas an author wants to emphasize.” i hope this for what your looking for