not automatically.
if im from austria and want to marry my Canadian girl friend how long will it take me to get my citizenship
yes
Yes -- within a very short matter of time ( a year and a half)
She could sponser him for citizenship if she wanted to.
Yes he can marry with 19 year old Nepali girl and after this she can also get citizenship of india.
i guess. it would help her apply for citizenship here in the us
Peruvian citizenship is not automatically given to the spouse of a Peruvian citizen right after the marriage.
In most places in the US, yes. The citizenship does not matter. It will not immediately grant US citizenship to the immigrant.
Yes, they are both possible.
she have to marry again in israeli
No!