Are the three letters(Tybalt’s, Friar Lawrence’s, and Romeo’s) essential or nonessential to the tragedy? Why?

In my opinion, they are not essential. Each of these letters contained information that could have been communicated in other ways, and communication at the time.... particularly, the exchange of letters was obviously not a guarantee. You can look at this in numerous different ways.... Mercutio's rash behavior, Friar Lawrence's assumptions, Juliet's impetuous nature, and Romeo's devastation all led to the same end. They were not essential because the characters themselves were each rash and impetuous in their own ways..... immature, unthinking. Friar Lawrence is the one character we would think level headed, but even he allows himself to unthinkingly be pulled in...... to act without true thought to the possibility of what could go wrong.