As long as you are an EU citizen, you will not need a passport to travel to any EU country. As a Hungary resident, you can travel with only your ID to Greece from UK.
You have to have your green card for 5yrs or 3yrs if married to a US citizen. Then you have to apply for US citizenship and once approved you can apply for US a passport.
As an American citizen, as long as you have a valid passport and are not wanted by any law enforcment agency you are free to go!
NO passport needed, as long as you return to the same port you left from. You may need your drivers license and/or a birth certificate to prove you're an American citizen.
Yes as long as he is a british citizen
Yes. As long as the passport is still valid.
yes you can as long as that citizen is in the province.
Not as long as it is a direct flight.
Yes you can, as long as your passport is valid
Not from another US State of Territory as long as you are a US Citizen.
You must move to Mexico with your spouse and live there for two years with an immigrant visa, then you can apply for Mexican citizenship. You can have both a Mexican and a US passport and be a dual citizen. If you were not married to a Mexican citizen, you would have to live there for four years.
It depends how long you want to stay. if you want to stay and live there you need a passport and a visa, issued by the American embassy. if you only want to vacation there, you need a passport.