Well, if you want to count US vs. US, there was the Civil War.
The State That Fought At The Vietnam War Was The united States
Mexico and the United States.
The United States fought them. The British set fire to the White House.
The states that remained part of the United States and fought the Confederacy during the Civil War.
In 1803, the United States was involved in the Barbary Wars. This war was with Tripoli fought in the Meridian, and from whence part of the Marine Corps Hymn is drawn.
The State That Fought At The Vietnam War Was The united States
One, the union of states known as the United States of America. The Unite States fought against the Confederacy known as The Confederate States of America.
The Civil War
The French and Indian War, the American Revolution, the War of 1812, and the Civil War were fought in the United States.
A war can not be fought by women
Mexico and the United States.
pretty much everywhere in Germany and the united states
A war between Spain and the United States fought in 1898. The war began as an intervention by the United States on behalf of Cuba.
No. The United States fought against Hitler to defeat Germany and the Nazis during WWII. England was an ally of the United States during the war.
The Civil War was a war within the United States. This war was fought between 1861 and 1865 between the north and south of the United States.
The United States have fought several limited wars. Among them are the Korean War, the Vietnam War, and the Gulf Wars have all been limited in scope.
The Afgan war - which is in progress now (2010).