Proper noun
(in the plural) The collection of individual states of the United States of America.
The Judicial power of the United States shall not be construed to extend to any suit in law or equity, commenced or prosecuted against one of the United States by Citizens of another State, or by Citizens or Subjects of any Foreign State. (Eleventh Amendment to the United States Constitution, 1794)
(nation's name) Federal nation consisting of several states, actual, historical or hypothetical.
Republic of the United States of Brazil.
The United States of Europe.
Illegal aliens have always been a problem in the United States. Ask any Indian. Robert Orben
The United States is a nation of laws: badly written and randomly enforced. Frank Zappa
The mission of the United States is one of benevolent assimilation. William McKinley
The United States never lost a war or won a conference. Will Rogers
There are blessed intervals when I forget by one means or another that I am President of the United States. Woodrow Wilson
I am a freeman, an American, a United States Senator, and a Democrat, in that order. Lyndon B. Johnson