> Murica. Everything has sugar in it.

> That's super reductionist... [list of American foods (or foods that aren't american but are extremely popular there, as in ketchup) with sugar added to it]

You didn't do much to dispell the idea that this is an American thing.

Maybe salted caramel pralines. But sour and sweet is a common flavour trope in much of the world. e.g. lemon + sugar e.g. in cannoli; tamarind and cane sugar in SE Asia and Mexican recipes; Chinotto.