No, you do not need a passport to enter or exit Puerto Rico if you are a citizen of the United States. Puerto Rico is a territory of the USA.
No, Puerto Rico is a US Territory.
No.
of course
No you do not need a passport to travel from the us to puerto rico. you do need a visa.
By some airlines... yes. If you are a U.S. citizen you don't need a passport to travel to PR.
No. No passports are checked when flying on a direct flight from Puerto Rico to a US Airport. However one must have at least one valid state-issued ID like a driver's license to fly anywhere from any US airport.
Of course! PR is an US territory.
No. but to travel out or into the country they do.
If you are a US citizen, you will need both a valid US passport and an Australian ETA visa to travel to Australia.
You'll need a US PASSPORT to return to the US.
If you are coming from abroad then yes, you still need your passport. The passport is a very important travel document which you should always carry when you travel in and out of the US.
No if she has a passport she could travel anywhere without a USA passport