4 ms·

Because "America" is part of the nation's actual name, and the only part that isn't a modifier. What else could you call Americans? Unionized Statists?

• reeses 13y ago
  Time for bed. "Un-ionized? What is this person trying to say?"
• nhaehnle 13y ago
  I actually use the term "USian" quite frequently, but then I'm weird that way.