http://tigerboard.com/boards/view.php?message=15007162
and you answered what you THOUGHT was when you did.
In reality, you were a citizen at birth and never had to "sign on" nor "agree" - the state deemed you a citizen and you had no voice, no choice.
all of those things you did later were required because you were already a citizen, a subject, of the state by the state's decree, not through any action or agreement on your part.