The undo button on Microsoft word undos what you have just done.
Nothing I Checked
This is called an inverse operation.
One voltage forexternal operations and another for internal operation.
One that went horribly horribly wrong for some reason or another.
An inverse operation reverses an affect of another operation. Addition is the inverse operation of subtraction. So are multiplication and subtraction.
There was only one Operation Desert Storm (1991). There was however another American intervention in Iraq in 2003 that is currently ongoing. This one is known as Operation Iraqi Freedom.