What are themes for each scene separately in act 1 of Romeo and Juliet?

The scene opens with a brawl on the streets of Verona between servants from the affluent Montague and Capulet households. While attempting to stop the fight, Benvolio (Romeo's cousin) is drawn into the fray by Tybalt, kinsman of the Capulets. The fight rapidly escalates as more citizens become involved and soon the heads of both households appear on the scene. At last, Prince Escalus arrives and stops the riot, forbidding any further outbreaks of violence on pain of death.