Romeo and Juliet: destiny or poor human choice?

In the story, Romeo and Juliet, the final tragic outcome, namely the deaths of the two young lovers, was a result of human choices, rather than one of fate. Although fate played some role in Romeo and Juliet's deaths, the various characters' decisions and actions throughout the story eventually led to the tragedy. There were four main stepping stones, all resulting from man's decision, which finally ended with Romeo and Juliet taking their own lives.
The first event that paved the way towards the tragedy was the fight between the Capulets and Montagues. This event was caused by Romeo's…