heroism is the act of being courageous,helpful and selfless like doing a good deed you dont care about or being helpful to a teacher here are some more things about heroism!
Explanation:
I dont know if this would be correct but this is what I came up with :)
In literature, an allusion is an "unexplained reference to something or someone outside of the text". The reference is usually to someone or something popular, like Mark Twain.