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 certificate both. Therefore, duel citizen.
USA
Yes, there is. Both countries allow dual nationality.
You can apply for dual citizenship to the USA and almost any other country. Many more people than you might think hold dual citizenship. But the road to dual citizenship, with only a few exceptions, is long, twisting and full of "gotchas".
The US recognizes dual citizenship.
you can use a Passport/Citizenship papers
India does not allow dual citizenship.
Yes, Thailand allows dual citizenship.
Dual citizenship is when one has citizenship rights in two countries.
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.
No difference in the meaning but when people talk about Immigration and citizenship topics, almost all of them use the term 'Dual Citizenship'.
Yes you do qualify for dual citizenship.
Dual citizenship has been allowed in Brazil since 1994.