Yes, it is legal. But, I suggest you get a U.S plate just in case. :]
Yes, this is possible.
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what states require no photo i.d. on drivers' license?
Short answer, none.
None. Does not work that way.
You cannot, unless you take up a "permanent resident alien" status or become a naturalized US citizen, and take up permanent residence in one of the US states.
I don't think that you can drive anywhere :(
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