Complex sentence: In the Hall's early years, winners of major international competitions were automatic qualifiers for entry, however that practice was ended by 1981 as part of a general tightening of induction criteria for such halls of fame across Canada.
Split into simpler sentences: In the Hall's early years, winners of major international competitions were automatic qualifiers for entry. However, that practice was ended by 1981 as part of a general tightening of induction criteria for such halls of fame across Canada.