Yes. Foreigners can marry in any of the 50 United States and such marriages are valid. Also, one's Immigration status does not affect the ability to legally marry.
I'm not sure what you're asking, but if you were legally married in Vegas then you're legally married period (in every state).
Yes, the wedding chapels you see in Las Vegas are legally certified to perform legally binding marriage ceremonies that are recognized as legal and binding anywhere. I would think that, legally, MAYBE they are required to determine if you were of "sound mind and reasoining when the ceremony is performed, but be that as it may, their marriage ceremonies are legally binding.
Yes. Effective January 23, 2015, the state of Alabama recognizes same-sex marriages, including those legally performed in Las Vegas, where same-sex marriage has been legal since October 6, 2014.
No, it would be called 'bigamy' and it's a crime. In the United States you can only be married to one person at a time. Your second marriage would be invalid.
No, but you'll have to get a marriage license in Vegas
In Ohio, you need to apply for a marriage license at the clerk of courts office. The officiant of the ceremony needs to fill out the license and you need to submit it to the clerk of courts for filing. * If the couple were legally married in Las Vegas they are legally married in Ohio. All US states acknowledge the validity of legal marriages and legal divorces from other states.
the aliens from planet zonar
Forever, there is no time limit on a legal marriage.
Las Vegas
Las Vegas
Yes
Las Vegas marriages are legal everywhere in the world.