Statistics for occurrence #1 of “United States of America” in article pos=41 of The Daily Dispatch: March 6, 1861., [Electronic resource]:

...endment, by a vote of 24 to 12--a constitutional majority. The following is the joint resolution, with Mr. Corwin's amendment: Be it enacted by the Senate and House of Representatives of the United States of America , in Congress assembled, two-thirds of both House concurring,) That the following article be proposed to the Legislatures of the several States as an amendment to the Constitution of the United States...
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