Originally Posted by
HkCaGu
If anyone goes into researching the edit history of the Wikipedia article quoted above, you'll find that the quoted sentence was written by someone named HkCaGu.
There is no "conflict". Yes, there is a US CBP pre-clearance for eligibility for entry into the States (since admission to Guam does not guarantee admission to the States), but a passport is not "required" to establish that eligibility.
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how does one establish eligibility without a US passport?