Complex sentence: This statute limited the legislative authority of the British parliament over Canada, effectively giving the country legal autonomy as a self-governing Dominion, though the British parliament retained the power to amend Canada's constitution at the request of the Parliament of Canada.
Split into simpler sentences: This statute limited the legislative authority of the British Parliament over Canada, effectively giving the country legal autonomy as a self-governing Dominion. The statute allowed the British Parliament to retain the power to amend Canada's constitution, at the request of the Parliament of Canada.