Canada is the largest
In North America, Canada the largest nation by land area. In South America, it is Brazil. For both the Americas, Canada is the largest.
The third largest nation in the western hemisphere is Argentina by land area and the United States by population size.
The United States is the second largest state in North America, if you mean state as in country or nation. (Canada being the largest.) Alaska is the second largest state in North America, out of all Mexican American and Canadian states/provinces/territories (Nunavut being the largest)
Canada is the one with the largest land area.
Canada is the largest
Canada is the largest country by area in North and South America (and the second largest, after Russia, in the world).
North America
Brazil
North America is the third largest continent in area.
Brazil is the largest nation in South America in terms of both population and total area. It is the fifth largest country in the world by both measures.
Canada is the largest country in North America with a total area of 9,984,670 km2.