But US citizens, regardless of descent, aren't foreign nationals to the US. On top of that, Japanese weren't your average foreign national but rather enemy alie

But US citizens, regardless of descent, aren't foreign nationals to the US. On top of that, Japanese weren't your average foreign national but rather enemy aliens – as the US was at war with Japan. I must have misunderstood your previous question, I apologize. I assumed that when you referred to "foreign nationals" you meant it as in "travelers of uninvolved foreign nations".