The answer is A) first-generation.
“First era” or “foreign-born” refers to human beings born outside of the USA to a mother and father neither of whom becomes a U.S. citizen. For this report, human beings born in Puerto Rico or different U.S. territories are not taken into consideration overseas-born.
US Census Bureau (USCB) makes use of the time period "generational fame" to consult the area of delivery of a person or an individual's parents. First-technology immigrants are the first foreign-born family contributors to advantage citizenship or permanent residency within u.s.
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