Well I am based in europe and I have bought plenty of .us names through godaddy.. Had some more than a year and renewed them a couple of times... Even put my real contact info on em.. You just have to remember that they can take it away from you should they want..
yeahh :/ it could but what's the chances of them taking it off you? I've reg'd a few, and I live in the UK I put my real contact details too, so Idk why it's not letting you