The heroism of unquestioning sacrifice is the correct answer.
"Knowledge is power" is a famous proverb which states that a person with knowledge can outwit physical strength of any other person.
You use expression by explaining your feeling in writing form. Sadness is one of the most expressed feelings in writing. Here is a site to get you an idea if you want to write a story:
https://www.scoopwhoop.com/saddest-lines-from-literature/#.fs19fnc37
Hope it helps!!!
C. the character is described as burly and they “busts” out, showing that they’re strong, extroverted, or rushed
