no. minors are not allowed to be married. wait till next year and you'll be able to.
No that is illegal.
An 18 year old girl can marry an 18 year old boy even if they are not in love in this state.
In most countries, no.
Of-course they can!
legally no that is basically robbing the cradle, if you know what that means, and why would you want to marry a 18 year old girl if your a 15 year old boy anyway?
if they both have parents consent
No.
Not if the live in Norway.
No, both are adults and do as they wish.
With parental consent, yes.
Yes, if the minor has parental consent.
In the US, all of them.