I am hurt. A plague o'both your houses! I am sped. Is he gone, and hath nothing?
Not Romeo, prince, he was Mercutio's friend;His fault concludes but what the law should end,
Sir, he is dead.
I beg for justice, which thou, prince, must give;Romeo slew Tybalt, Romeo must not live.
And for that offenceImmediately we do exile him hence:
What if this mixture do not work at all? Shall I be married to-morrow morning? No, no; this shall forbid it. lie thou there.
Mercutio draws his sword on Tybalt because Romeo would not accept the duel. Mercutio got furious. This is an external conflict because Romeo has to fight Tybalt making sure he avenges Mercutio. The conflict began when Romeo went to the Capulet party. It affected the play because it is the turning point that surprises the readers
O, I am fortune's fool!
Thou, wretched boy, that didst consort him here, shalt with him hence.
After Romeo, killed Tybalt the prince had to choose whether to execute Romeo, or let him go. But, he choose something worse than death which is banishment. This is affects the story because Romeo would not be able to be with Juliet (his wife).
Ha, banishment! be merciful, say 'death;'For exile hath more terror in his look,Much more than death: do not say 'banishment.'
A gentler judgment vanish'd from his lips, Not body's death, but body's banishment.
Juliet is deciding whether to drink the potion, or kill herself. Her conflict is internal, she has to marry Paris or live a begging life. For example, she said " What if this mixture do not work at all? Shall I be married then to-morrow morning? No,no; this shall forbid it.Lie thou there.
Romeo and Tybalt duel it out. Then with the strive to win for Mercutio, allowed Romeo to beat an expert sword fighter. This external conflict is significant because it makes the Prince banish Romeo, then Romeo would not see Juliet again.
Romeo finds out that he is banished from Verona, because he killed Tybalt. Then Romeo realizes he cannot have Juliet, while an insect can get to her easier than Romeo can. This is an internal Conflict because Romeo is fighting with himself about the conflict. This conflict started when Romeo killed Tybalt, and is significant because he will not be able to see Juliet.
Juliet made the decision to drink the potion. This affects the story because Romeo will think she is actually dead and kills himself. For example, Romeo, I'm coming. I drink to you! This is an internal conflict because she has a conflict with herself.