父母才成为公民, 18 岁以下子女自动成为公民?
-Yes.
要填N-600 去得到 certificate of citizenship 吗?
-Your child can chhose either to file N-600 to claim the certificate of citizenship or to apply for his/her US passport directly.
想给子女申请美国护照, 如何操作?
-Go to your local Post Office to apply for it (they will telll you how to do).