Well, the Constitution created the United States of America. Before the Constitution, there was no United States of America (we were a bunch of independent colonies vulnerable to foreign attack).
Constitution preamble:
We the people of the United States, in order to form a more perfect union, establish justice, insure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this Constitution for the United States of America.
How did the people of the United States ordain and establish the Constitution before there was a United States?
To all to whom these Presents shall come, we, the undersigned Delegates of the States affixed to our Names send greeting. Whereas the Delegates of the United States of America in Congress assembled did on the fifteenth day of November in the year of our Lord One Thousand Seven Hundred and Seventy seven, and in the Second Year of the Independence of America agree to certain articles of Confederation and perpetual Union between the States of Newhampshire, Massachusetts-bay, Rhodeisland and Providence Plantations, Connecticut, New York, New Jersey, Pennsylvania, Delaware, Maryland, Virginia, North Carolina, South Carolina, and Georgia in the Words following, viz. “Articles of Confederation and perpetual Union between the States of Newhampshire, Massachusetts-bay, Rhode Island and Providence Plantations, Connecticut, New York, New Jersey, Pennsylvania, Delaware, Maryland, Virginia, North Carolina, South Carolina, and Georgia.Article I. The Stile of this confederacy shall be, “The United States of America.”
[...]
Mouse nuts woodpusher.
The was no United States of America before the Constitution.