What country has the largest land area in the western hemisphere?

Canada is the second largest country in the world (with of total area), second only to Russia.

It occupies almost all the north of the American continent and is delimited by the Pacific Ocean in the west and the Atlantic and the Davis Straits in the east, it limits to the south with the continental part of the United States and with its associated state Alaska to the northwest.

answer; the correct answer is chemical: