What are the national capitals of the three largest countries in north America?
Canada = Ottawa US = Washingtion DC Mexico = Mexico City
National capitals: By city proper, the answer is Moscow. By metropolitan area, the answer is Tokyo. Regional (i.e. province/state/etc.) capitals: By city proper, the answer is Shanghai, though it is technically a stand-alone "province-level" municipality in itself, akin to a city state. By metropolitan area, if you are to exclude regional capitals that are also national capitals, the answer would be Mumbai.
Canada (9,976,140 sq km) and the United States of America (9,629,091 sq km) are the two largest countries in North America by population and land mass. They are also the second and third largest countries in the world (respectively) by total area. Canada is larger than the US in total area, but the US is larger than Canada in "land" area.
There is no one capital in South America. There are 12 sovereign nations and one overseas territory. The largest and most visited capitals are Buenos Aires (Argentina), Lima (Peru), & Santiago (Chile). Countries and capitals: Argentina - Buenos Aires Bolivia - La Paz and Sucre Brazil - Brasilia Chile - Santiago Colombia - Bogota Ecuador - Quito Guyana - Georgetown Paraguay - Asuncion Peru - Lima Suriname - Paramaribo Uruguay - Montevideo Venezuela - Caracas…