This is section 10 of the iTunes End User Licence agreement. I downloaded the software because I wanted to use it in the guidance system of an Anthrax Bomb but it looks like those Apple Lawyers have got that covered
10. Export Control. You may not use or otherwise export or reexport the Apple Software except as authorized by United States law and the laws of the jurisdiction in which the Apple Software was obtained. In particular, but without limitation, the Apple Software may not be exported or re-exported (a) into any U.S. embargoed countries or (b) to anyone on the U.S. Treasury Department's list of Specially Designated Nationals or the U.S. Department of Commerce Denied Person’s List or Entity List. By using the Apple Software, you represent and warrant that you are not located in any such country or on any such list.
You also agree that you will not use these products for any purposes prohibited by United States law, including, without limitation, the development, design, manufacture or production of missiles, or nuclear, chemical or biological weapons.