A valid passport, and a valid visa.
You need to consult an immigration lawyer but normally when the husband died in this case the process is terminated.
The US Immigration Service handles those matters. They will tell you who, what, and why procedures and papers (documents) will be needed.
You'll have to ask an attorney that does innigration work. You can also go to the US Immigration Service website, and they have commonly asked question there.
Yes, the border patrol can ask for identification and immigration papers when conducting immigration checks.
Foreign Papers was created in 1986.
As per the current US Immigration Law, If the child is born in the US, then it will be considered to be a US citizen, irrespective of the illegal status of its parents.
You fill out the requisite paperwork with the Australian Embassy in Saudi Arabia (even though you are a Pakistani citizen). The Australian Immigration website (in the related links below) can explain exactly which papers you need.
This is a fairly technical question involving questions of naturalization, immigration, and citizenship. You REALLY need to contact an attorney who specializes in immigration law.
You don't need Romanian citizen papers for marriage.
A person born in the United States is automatically an American citizen. Although immigration officials could potentially take action against a citizen's family members who are in the country illegally, and each particular case varies, a citizen cannot be deported.
NONE. Marriage to a US citizen does not in any way automatically confer any change in immigration status. Your US Citizen spouse can now petition to have your immigration status changed, but you will almost certainly have to leave the country and return to your home country to pick up the new visa, and, depending on the case, you may NOT be allowed to return to the US for up to 10 years.
The US Immigration office can answer all your questions.