none as far as I'm aware....
Well, they're invading Iraq, and UK's in Afghanistan but those aren't exactly 'wars' The US is developing many war technologies though so they are very aggressive. They were at war with Iraq, but that technically 'finished'. I don't know so much about the whole Afghanistan situation
The US is not currently at war with any nation. However, it is conducting military operations as part of the "War on Terror", especially in Iraq and Afghanistan.
At this writing; the US is at war with no nation (country).
Kobe is the greastest shooting guard of all time. MJ23 is a spud
Costa Rica has had a civil war, but never a war with other countries.
The US and Germany.
congress
we shouldn't have gone to war with Mexico because all we really wanted was California at the time and Texas came to us to be annexed. It basically was a big misunderstanding between who was on who's land.
Afghanistan was one of the countries.
gerany and japan had both sufferd after the war.
Costa Rica has had a civil war, but never a war with other countries.
I believe that they were involved in the 6 day war with Israel in 1967.
No NATION is at war with the US at this time.
The US Civil War provides the background.
They have gone to war with the Mongols in 1274. Then again with the Mongols in 1281. And then in 1592-1598 Korea and China. Those are all of the ones I can think of right now.
Things turned out good after all. Had we gone to war over Cuba, things may have not gone so well. We are using 20/20 hindsight here.
Iraq, 2001 and 2003.
The US and Germany.
congress
Germany Italy japan
Us/ussr