The American would have to obtain a work visa in the particular EU country of choice in order to work. The popular VISA WAIVER program only allows for a 3-month tourist (no work is allowed).
Once the American girlfriend obtains citizenship in an EU country (UK might be the best bet), then both she and boyfriend may live and work in any EU country without restriction.
If you marry your British boyfriend, he does not automatically become an American citizen, and you do not automatically become a British citizen. You both have the right to live in each other's country, but you must file paperwork to do so. Citizenship is not automatic.
The British government allows dual citizenship. However, the government of the other country might not allow this thus force you to renounce British citizenship if you want to become a citizen of their country.
Depends on the citizenship of your parents. Being on an American airplane does not bestow citizenship.
No. He was born with dual citizenship British/American, his British citizenship was transferred to Kenyan when Kenya became independent and he lost his Kenyan citizenship at age 23 because he didn't renounce his American citizenship (Kenya doesn't allow dual citizenship). So currently and since age 23 he holds citizenship in only one country--The United States of America.
yes
Yes, it is possible for an American citizen to hold dual citizenship with another country.
If you have a parents that had british citizenship you are eligible for a british passport. Otherwise you have to either marry someone with british citizenship or stay in the country for a certain amount of years (can't remember how many) which is called "naturalization".
Yes, an American can hold dual citizenship, which means they are a citizen of the United States and another country at the same time.
Dual citizenship or dual nationality is allowed in the UK. This means you can be a British citizen and also a citizen of another country. Not every country will grant dual citizenship.
Yes, an American citizen can hold dual citizenship with another country. This means they are recognized as a citizen by both the United States and another country at the same time.
He is Mexican and American (has dual citizenship).
If you live in the United States, your nationality is typically American. However, nationality can also refer to the country where you hold citizenship. If you are a citizen of the US, you would identify as American; if you are a citizen of another country but reside in the US, your nationality would be that of your country of citizenship.