become a citizen

See: reside
References in classic literature ?
So each man in turn took an oath of which he did not understand a word, and then was presented with a handsome ornamented document with a big red seal and the shield of the United States upon it, and was told that he had become a citizen of the Republic and the equal of the President himself.
He had become a citizen, but he despised democracy, and achieved a hardy consistency only by voting with the pro-slavery party upon all measures friendly to the institution which he considered the scandal and reproach of the American name.