Korea was required to provide regular tributes to china, while japan was required to provide tributes less frequently
By birth? i think? do you mean like how did they get in a certain caste? because then it would be by birth. but if you mean like what were the castes, i forget.
By then I would say either the British or Dutch. More so the Dutch because New York was originally founded by the Dutch and was originally named "New Amsterdam" after the capital of by the time (I believe) to be Holland, modern-day Netherlands. Otherwise the British flooded New England, after all, it is called New...England so...
