Complex sentence: No playoff games were held in the east because of a rules dispute with the CRU in the West, lack of interest in the East and student studies to the Intercollegiate Union which were deemed more important.
Split into simpler sentences: No playoff games were held in the east because of a rules dispute with the CRU. In the West, lack of interest in the East and student studies to the Intercollegiate Union were deemed more important.