By that definition, the US would be a non-democratic country. Thanks to the IEEPA [1] the US President can (and regularly does) arbitrarily sanction whoever he sees fit - without the approval of congress. All he needs to do is declare an emergency which, again, does not require congress. And this power is regularly used. We're currently under at least 42 different national "emergencies", of which 34 are to impose sanctions. [2]

[1] - https://en.wikipedia.org/wiki/International_Emergency_Econom...

[2] - https://en.wikipedia.org/wiki/List_of_national_emergencies_i...