In Shakespeare's play "Romeo and Juliet," Act 1, Scene 1, the Prince of Verona appears after a street brawl between the Capulets and Montagues. The Prince's anger stems from the continuous feuding between the two noble families, which has disrupted the peace and order of Verona. The promise and threat he makes are as follows:
1. Promise: The Prince promises to take action to maintain peace and prevent further violence in Verona. He expresses his frustration with the ongoing conflicts and declares that if another public disturbance occurs, severe consequences will follow.
2. Threat: The Prince issues a stern warning that any individual found engaging in further public brawls or disturbances will face severe punishment, including potential death. He emphasizes that the escalating violence has already caused enough bloodshed and that it will no longer be tolerated. The Prince hopes that his threat will deter the families from continuing their feud and restore peace to the city.
The Prince's anger and subsequent promise and threat serve as a crucial plot point in the play, setting the stage for the tragic events that unfold as a result of the ongoing conflict between the Capulets and Montagues.