I mean it's definitely possible to call yourself that, but I'd argue no, it's not possible to actually be that.
replyThen you have never studied communist eastern countries,
replyFamously, Mao Zedong was neither left-wing, nor a nationalist, right?
replyNo-one defines what they mean by "nationalist" so it could apply to a rock.
replyThat takes a form more like "let's make our country the best country ever" than "let's kick out everyone with a different skin color"
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