No, its no mandatory. but its just that if your a citizen, you can vote, easier to travel outside the US, and sponsor relatives to come to USA.
No. They are not a citizen until they have been properly qualified and sworn in as a US citizen.
yes
No. PR is just permanent resident.PR stands for Permanent Resident, so, no, PR is not a Singapore citizen.
no, only us citizen can help for permanent resident
Once a person from another nation marries a Canadian citizen, he or she becomes a permanent resident. The process takes approximately 50 days for the paperwork.
A non-permanent resident alien is an individual that holds employment in the United States. They are not a citizen and they do not have a green card.
3 years of being permenent resident then you can apply
No, if you are a permanent resident in the US, you are treated like an American citizen in terms of colleges and universities.
Not necessarily: you can be a permanent resident of this country.
by legally marrying that us citizen or print a form from the internet requesting to be a permanent resident
yes. it can, but not always is.
Yes you can.
A domestic student is a student who is a citizen or a resident of the country where they are studying. For example, in the United States, a domestic student would be someone who is a citizen or a permanent resident of the United States.