the capulets and the montegue did not like each other because of past incidents.
romeo and juliet meet and fall in love and nothing had gotten in the way of that
part of the ending
juliets parents tell her that she has to marry paris but she does not love him she loves romeo. behind there parents back friar helps them and gets them married as well as the nurse.
juliet fights her father on marrying paris then goes and speaks to friar and he gives her a vial and tells her that this would put her into a deep sleep and she will wake after the family thinks shes dead then have her funeral and he will then send a message to romeo about the plan.
juliet drinks the vial and goes into a deep sleep. the next morning everyone is ready for the wedding and the nurse goes in her room and realizes that juliet is dead and tells her parents and they have the funeral.
after everyone leaves romeo goes to juliet then romeo dies to and she awakes and actually dies. the parents were aware of this and they feel sorry for what happened and realized there effect on there children