Which Colonies united to form Canada in 1867?

the answer to how many colonies united to form Canada in 1867 is four

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No, the answer is three.

Canada was the first country to be created by legislation.

Section 3 of the British North America Act (now the Constitution Act) united the Provinces of Nova Scotia, New Brunswick, and the pre-Confederation Province of Canada into a new country, Canada, on July 1, 1867.

Section 6 of the Act then severed the Province of Canada into the Provinces of Ontario and Québec.