The carriage driver tries to push Oedipus off the road. In a rage most likely exasperated by the news of his learned prophecy Oedipus kill most of the men in the caravan. Unbeknownst to him he had just completed the first part of his prophecy. He had killed his biological father King Laois. In an attempt to sidestep fate Oedipus actually makes it come true.
When Oedipus arrives at Thebes he defeats the riddle of the Sphinx there in saving the city. This makes Oedipus a hero and by becoming the savior of the city he ends up marrying Jokosta, a newly widowed Queen. It makes sense that a city without a King would wish that their new hero would become their new leader. Oedipus doesn’t realize that he has just married his biological mother. He lives for years with her thinking he has successfully avoided the prophecy yet in reality he has completed the prophecy by marring his own mother and killing his father.
Many aspects happened in this story that causes Oedipus to finish the prophecy although unknowingly. In the end it is not just one person’s fault but a collaboration of people trying to cheat fate that causes a gruesome end. By trying to change the prophecy the characters are inevitably bring their destiny into a closer proximity and completing the end result that was foretold in the