Complex sentence: In 1931, Britain granted Canada near total independence with the Statute of Westminster 1931 and full sovereignty was attained when the Canada Act 1982 severed the vestiges of legal dependence on the British parliament.
Split into simpler sentences: In 1931, Britain granted Canada full independence in most matters with the Statute of Westminster 1931. The Canada Act 1982 severed the vestiges of legal dependence on the British parliament.