An allusion is a reference to a famous person or thing used to bring something to mind.
For example,
When someone says they were "shot by Cupid's arrow", they mean they fell in love with someone, and Cupid is often used to reference falling in love.
Hope that wasn't too confusing, lol.
Answer:
<em>DEAR SIR/ DEAR MADAM YOURS FAITHFULLY </em>
<em>BRAINLY??</em>
<em>PLZ</em>
Explanation:
Short paragraphs, un varied punctuation, the redundant use of the subjects name
