Answer:
The answer is below
Explanation:
There are various causes or reasons that led to the British North America Act of 1867, some of which are
1. The provinces proposed to become one dominion with a single Constitution similar principle compared to that of the United Kingdom.
2. To ensure that Canada would be a mostly independent nation.
3. Britain no longer wanted to play to defend Canada's interest.
The British North America Act of 1867 unite the four provinces that formed the independent nation of Canada today, including New Brunswick, Nova Scotia, Quebec, and Ontario, and gave them self-government.
