British North America
British North America refers to the British colonies and territories in North America after the US became independent in 1783 (see also American Revolution) and until Confederation in 1867. The British North America Act (BNA Act), which came into effect on 1 July 1867, united three of the five British North American colonies. The Act (renamed the Constitution Act, 1867, in 1982) is the foundational document of Canada’s Constitution.