act 3 scene 1 who is responsible for starting this sword fight?cite evidence to support your viewpoint.

Things are pretty tense. Romeo shows friendship to Tybalt because he has just maried Juliet. Tybalt is unsure how to deal with Romeo. However, Mercutio challenges Tybalt to a duel, so he draws his sword and attacks Mercutio. Really this depends on your point of view. Mercutio makes the first challenge but only because Tybalt is threatening Romeo.