Answer: D. all of the above
Step-by-step explanation:
In 1867, the British approved the Constitution of Canada by allowing the fusion of her three colonies there being Nova Scotia, New Brunswick, and Canada under the British North American Act.
This Constitution could be amended by the British Parliament from then up until 1982 when the Canada Act led to the patriation of the Canadian Constitution. This same year, a Charter of Rights and Freedoms was added to the Constitution.