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.
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
A permanent resident is an individual who has been granted the right to live and work in a country indefinitely. A permanent alien refers to a non-citizen who has been granted permanent residence in a country, but may not necessarily have all the rights and privileges of a citizen, such as the right to vote.
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.