because romeo dies and Juliet is eaten by a shark
tybalt
Benvolio urges tybalt and mercutio to take their fight off the streets because there are people watching and the prince would get them in trouble if he saw them fighting.
Sampson, Gregory, Montague, Benvolio and Tybalt
In Act I Scene 1, Tybalt comes across Benvolio with his sword drawn in the middle of the fight. Naturally he assumes that Benvolio is taking part in the fight, so he says. "What! Art thou drawn among these heartless hinds?"
Tybalt because Benvolio is peaceful while Tybalt is an aggressive character.
Romeo, who Tybalt means to challenge to a fight.
tybalt
Benvolio informs the Prince that Tybalt killed Mercutio, and in retaliation, Romeo killed Tybalt. He explains that he tried to separate them, but Tybalt provoked the fight leading to the tragic events.
Benvolio urges tybalt and mercutio to take their fight off the streets because there are people watching and the prince would get them in trouble if he saw them fighting.
Benvolio (in Act 1), Mercutio and Romeo (in Act 3).
Benvolio tries to break up the fight and urges peace, showing a more calm and diplomatic approach. Tybalt, on the other hand, actively joins the fight and exacerbates the situation with his aggressive and confrontational attitude.
Sampson, Gregory, Montague, Benvolio and Tybalt
In Act I Scene 1, Tybalt comes across Benvolio with his sword drawn in the middle of the fight. Naturally he assumes that Benvolio is taking part in the fight, so he says. "What! Art thou drawn among these heartless hinds?"
Benvolio wanted to stop the fighting and prevent any further violence between Romeo and Tybalt. He tried to intervene and keep the peace, but Tybalt was determined to fight.
Tybalt because Benvolio is peaceful while Tybalt is an aggressive character.
Tybalt refuses to help Benvolio break up the fight between the Capulets and the Montagues. Tybalt is known for his aggressive and confrontational nature, so it is not surprising that he would not want to intervene in a conflict involving his family.
Mercutio is looking for a fight anyway. He doesn't like Tybalt and sneers at him, calling him the "Prince of Cats". When Romeo does not respond to Tybalt's insults, Mercutio gets angry on Romeo's behalf, but it wasn't going to take much to get his sword out anyway.