Complex sentence: The tournament was created to meet demand for a true world championship that allowed the best players from participating nations to compete regardless of their status as professional or amateur and was sanctioned by the International Ice Hockey Federation, Hockey Canada and the National Hockey League.
Split into simpler sentences: The tournament was created to meet demand for a true world championship that allowed the best players from participating nations to compete regardless of their status as professional or amateur. It was sanctioned by the International Ice Hockey Federation, Hockey Canada and the National Hockey League.