Tybalt was a Capulet he liked to fight. He first started fighting in the opening scene with Benvolio, and then at the party he wanted to fight with Romeo but Lord Capulet stopped him. He killed Mercutio. His fighting resulted in Romeo being banished from the city. Tybalt was always causing trouble, he more than anyone else kept the hatred alive between the two families. The priest Friar Lawrence should never agreed to marry Romeo and Juliet. With him giving them false hope by saying their marriage would bring the families closer together. Knowing how deeply in love Romeo was with Rosaline, and how Rosaline did not
have the same feelings. He was very aware that Romeo was a ‘player’. Friar Lawrence was responsible for helping Juliet fake her death, by getting her the
poison, and promised to get the letter to Romeo, which he never received causing him to think that Juliet was in fact dead, and not unconscious.
The nurse encouraged their relationship and strongly encouraged Juliet. She even carried messages to help the lovers meet, and eventually get married in secret. She should have told Lord and Lady Capulet about the relationship that Juliet was having with Romeo. The Nurse advised Juliet to marry Paris, knowing full well that Juliet was already married to Romeo, which would then make Juliet a, polyandry.
If the Prince had acted earlier to stop the dispute between the Montague’s and the Capulet’s, then maybe it wouldn’t have resulted in the deaths of four characters. The Prince also shouldn’t have banished Romeo from Verona for killing Tybalt, when the fight was originally started by Tybalt.
Juliet’s parents: Lord and Lady Capulet were partly responsible for keeping the feud going. They had full control over their household. They could have stopped the fighting between themselves and the Montague’s if they wanted to. If Lord and Lady Capulet listened to Juliet’s wishes and took more notice of Juliet then maybe she would not have disobeyed them. I think that they were too hard on Juliet when she told her parent’s that she no longer wanted to marry Paris, the husband that they had choose for her. Lord Capulet threatened to disown Juliet, which resulted in her faking her own death.
Like Juliet’s parents Lord and Lady Montague, were also fully responsible for their household, and for keeping the feud going. They could have stopped the fighting at anytime. If Lord and Lady Montague had been more understanding towards Romeo then maybe he would not have kept so many secrets from them.
If both the Montague’s and Capulet's put their differences aside, then there would have been no problem with their children getting married anyway.
Then again maybe none of these characters were to blame and the deaths of the two star-crossed lovers. It could have just been down to pure fate, as to why Romeo and Juliet came to a tragic end. They were doomed from the start,
nothing was on their side. Maybe it was fate that Romeo and Juliet met at the party, and fell in love at first sight. It was possibly just bad luck that the letter from Friar Lawrence to Romeo didn’t reach him in time to inform him of the plan for Juliet’s false death. If the letter reached Romeo in time then both of their lives could have been saved.
If mercutio never gave Romeo a ticket to the capulet’s party, then Romeo wouldn’t have met Juliet. Then they wouldn’t have fallen in love. Juliet could have spoken sooner when Romeo was going to drink the poison. If none of this happened then there would have been no problem.
I can’t decide who was most to blame for their death, but I think that Friar Lawrence and the Nurse had a strong influence on the two lovers.