No. They must apply for a greencard, or other form of immigration
No. Neither will automatically become citizen of the other country.
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 will never automatically become one. it is a long and tedious process.
Green card holder
No. A baby born in the USA is automatically a citizen, but the mother is still illegal.
No, he has to take a test and qualify to become an American citizen.
Not automatically. They have to apply for a green card and then apply for Naturalization.
No, the parent does not automatically become a citizen.
Getting married to an American citizen.
he will stay American citizen....he has to apply to become a Canadian citizen or his wife has to apply for him and will have to tell the court that she has married him