Citizenship has nothing to do with marriage. A girl can change her citizenship status whenever she wants to provided that the laws of her country allow her to change citizenship. However she may have to provide sufficient proof to demonstrate her nae change after marriage.
If his husband is a foreigner First ask her to get married..After that , hire an attorney and do tell your queries...The attorney will be there to guide after that...
If the marriage is legally recognised in Australia and she has Australian citizenship then yes you will get Australian citizenship.
Canadian citizenship is not automatically given to a person by virtue of marriage.
Peruvian citizenship is not automatically given to the spouse of a Peruvian citizen right after the marriage.
From bitter experience, no.
At least 11/2 years after submission of documents
Yes you can change your name when applying for citizenship providing you have your marriage license.
Yes
Passport is proof of your Citizenship. That is how you use it.
The citizenship will not affect the marriage. While it could be considered perjury, it will not invalidate the license in most places.
Marriage or a child.
lots of paper work