Unfortunately Spain does not allow dual citizenship. If you are a US citizen, you should give up your Spanish nationality otherwise you will face penalties.
Yes you can be a duel citizen of Vietnam and the USA. My son is. He was born in Vietnam, mother is Vietnamese and I am American. So, he has an American passport and |He has a Vietnamese birth...
Marriage and naturalizationAlthough the United States does not recognize dual citizenship status officially, it does not prohibit it either. However if the question were to come up in a legal or...
A U.S. citizen may acquire foreign citizenship by marriage, or a person naturalized as a U.S. citizen may not lose the citizenship of the country of birth. U.S. law does not mention dual nationality...