The details from the passage which shows why <em>Andy wants to write a letter to be read at the game </em>are to:
Satisfy the protesting players
Shame the racist fans
According to the given question, we are asked to show which details from the passage which shows why <em>Andy wants to write a letter to be read at the game </em>
As a result of this, we can see that from the complete text, there is the issue of racism from the fans which led to protest from the players and Andy asks to write a letter at the end of the game so that he could satisfy the protesting players and <em>shame the racist fans</em>.
Choice E appears to be the best answer as it allows for an expansive essay that can focus on both positive and negative aspects of social media. The other choices would only encourage too much opinion or one-sided arguments, which would prevent the essay from developing into a thorough analysis.