What role does destiny play in the book "Holes" by Louis Sachar

Have you ever thought about the power of destiny that determines the events in your life? "Holes" by Louis Sachar is a story of Stanley Yelnats, who happened to be under a curse that was caused by his great-great-grandfather. As the story unfolds, we learn that the curse leads to a series of events that are all predestined.
Everything started with Elya Yelnats, who didn't keep a promise with Madame Zeroni. Stanley was innocent of the crime for which he was convicted but because of the curse, he was sent to Camp Green Lake for punishment. "He's just been in the wrong place at the wrong tim…