YES US Visa is required.
You have to go through Immigration. Also, you will have to post a bond for this person. Please be aware that once you sign for this person you are responsible for them.
There are no restrictions on whom a refugee may marry. A refugee can definitely marry a US citizen, and they would also be able to attain permanent US residency through the marriage.
You can't get legal permanent residency (and by extension- citizenship) through a student visa. The only was is through family petition, work/investment petition, or asylum.
You have to apply for permanent residency, through INS. Check on the website and they will be able to give you information on the papers that you need to complete.
If your legal resident status was obtained through marriage to a US citizen, you can apply for citizenship as early as 2 years and 9 months after you were granted permanent residency. If your legal resident status was obtained through means other than marriage to a US citizen, you may apply as early as 4 years and 9 months after you were granted permanent residency. Once you apply, it takes between 6 and 9 months to process.
Marrying a Canadian citizenship does not automatically make you a Canadian citizen. You would still have to go through the entire process that an unmarried "Alien" would have to go through. That is, apply and obtain Permanent Residency (PR) and then go through the Citizenship Application. Ref: http://www.cic.gc.ca/english/information/faq/citizenship/cit-become-faq03.asp
yes
republican obama Did you mean expiry date?Then yes.Permanent residency of the US is permanent. Permanent residents have the right to live and work in the US without restriction on a permanent basis. The identification which proves permanent residency status - the green card - is not. Permanent residents need to keep a green card with them at all times to prove their permanent residency and green cards are only issued for ten years and every ten years US permanent residents needs to go through the green card renewal process filing Form I-90.
Not unless you renounce your Canadian citizenship voluntarily.
you can apply for residency, if you wish, then go through the proper channels for Citizenship, if your child is born in Canada, then your child is automatically Canadian.
Currently you must have Permanent Residence for 5 years before filing to become a US. Citizen. You can as a Permanent Residence after 3 years file for US. citizenship if you're married/lived with an US. Citizen.
Yes, a Russian citizen can become a US citizen through a process called naturalization. This typically involves meeting eligibility requirements such as having a green card (permanent residency) for a specific period of time, demonstrating good moral character, passing an English and civics test, and going through a naturalization interview. Each case is unique, so it's best to consult with an immigration attorney for specific advice and guidance.