Carry your greencard. Green card is required to board a US (mainland) based flight from Puerto Rico.
If you are an illegal alien... yes. If you are American... no.
no
Yes.
yes
Does a Bangladesh Passport holder having USA Green Card need tourist visa for Cambodia
Doesn't matter if you have a green card. It depends on your nationality.
you will need a passport
yes. He does
you can. However it will take 5-6 years to obtain, so you need to update the pending application once you get citizenship.
If you are a green card holder and will be outside the US for less than twelve months (one calendar year) you will need your green card. Otherwise, you will need to apply for reentry permit using immigration Form I-131, which is valid for 2 years and you will need to present before reentering U.S.
If you have USA green card, you will still need to get a visa entry to Ukrainian territory. Source: http://www.studyinukraine.org
No, A US Green Card holder can't marry a Filipino and bring them back to the US. The spouse will need to apply for a Visa to be admitted into the US.
Carry your greencard. Green card is required to board a US (mainland) based flight from Puerto Rico.
With a Green Card, a holder can enter any country a US citizen does not need a visa, without a visa. You must however, find out the maximum duration one is allowed to stay in the foreign country with each visit.