I was referring to Carioca's view, which I also learned in school. There's another one, too, over which I've had internet arguments before. In that one, the US

I was referring to Carioca's view, which I also learned in school. There's another one, too, over which I've had internet arguments before. In that one, the USA and Canada are "America", while the rest of the continent is "South America". The given reason was: it is not called "United States of North America", it's just "America". The rest of the countries are south from there, so all that region is "South America". I don't know how extended this vision is, though (nor I know where it fits Mexico).