Final answer:
In Act 4 of 'Romeo and Juliet', Capulet changes the wedding plans by moving the date up, creating urgency and tension in the plot.
Step-by-step explanation:
In Act 4 of Romeo and Juliet, the change that Capulet makes in the wedding plans is that he moves the wedding date up, deciding that Juliet will marry Paris sooner than originally planned. This sudden decision increases the urgency and dramatic tension in the story, as Juliet and Friar Laurence must quickly enact their plan to avoid her marrying Paris. Romeo and Juliet is a tragedy written by William Shakespeare early in his career about the romance between two Italian youths from feuding families.