The continent of North America.
They're on the North American Continent
The US is located on the continent North America.(between Canada and Mexico).
The continent of North America is shared by Canada and the US.
Canada and the US (except Hawaii) are located in North America.
Canada shares North America with the US and Mexico
The former Soviet Union and China are in the continent of Asia. Canada and the US are in the continent of North America.
North America
Because 'North America" is the name of the continent that includes Canada as well as the USA. An 'American" is someone (anyone) living on that continent. So a Canadian is an American as much as is a US citizen.
The US and Canada cover most of North America
Canada is north of the US and also part of the North American Continent.
The US is located on the continent of North America, as is Canada. The United States is part of North America.