How did the British North America Act of 1867 create the province of Quebec?

The British North America Act of 1867, now known as the Constitution Act, 1867, created the province of Quebec by dividing the existing province of Canada into two distinct provinces: Quebec and Ontario.1

Prior to this act, the region had been united as the province of Canada following the Act of Union in 1841, which had joined Upper and Lower Canada into a single administrative entity. By 1867, political deadlock and other pressing issues necessitated a new constitutional arrangement. The British North America Act resolved this by establishing the Dominion of Canada, a quasi-autonomous federation that included Quebec (formerly Canada East) and Ontario (formerly Canada West), alongside New Brunswick and Nova Scotia.231

Through this legislation, the French Canadian community was granted control over the provincial government of Quebec. This allowed the province to design and administer social, economic, and political programs that reflected its specific traditions and values, while also establishing bilingual French-English institutions at the federal level.3