NO! US citizenship is NOT automatic. Under these circumstances generally the child is entitled to and will be granted US Citizenship, but it is NOT automatic. You still have to obtain and complete the required forms and submit other paperwork and pay an application processing fee.
No. Anyone adopted over the age of 16 does not automatically get US citizenship. Sorry.
If a baby is born within America, even if its parents are from another country, it is automatically an American citizen, and is entitled to the rights and privileges of an American citizen, specially in the USA.
If your birth certificate was filed in the United States of America then you are automatically an American citizen. If you also claim citizenship with another country, the United States government asks that you choose your citizenship to one or the other.
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.
you can be from another country, but you must become an American citizen.
Yes, he will be treated as "US Citizen born abroad"
There is not 4 ways, but two. If you are born in the US you are a citizen and if you are from another country you can be naturalized a citizen. Children born to an American citizen are automatically citizens and children born in places like a military base are also citizens no matter where the base is located.
No. Neither will automatically become citizen of the other country.
Naturalization
Who is consider a legal Citizen when one parent is from another country and one is American born -- child is born in a possesion?
It is not possible to become a Canadian Citizen just by marrying a Canadian citizen. Citizenship cannot be acquired by marriage in any country.
Yes, anyone born in the United States is automatically a US citizen.
Yes you can. Although it depends on the countries in question, as some will not recognize multiple citizenship: Such as: some Middle Eastern and Asian countries will not allow their citizens to attain citizenship from Another Country while retaining nationality with their born in country. or A child born on a plane in United States air space, regardless of the nationality of the parents, or plane automatically becomes a United States citizen. And generally (depends on host country) a citizen of the country of the nationality of the parents. Common duel citizenships include American / England, France / England, France / Germany, and Canadian / American. although there are many others.