There at least three artists known as Nations.

1) Nations is a solo effort of melodic instrumental music with a hint of electronica.
All songs written/programmed/recorded by Max Buchanan.
http://www.myspace.com/nationsnations

2) Nations were a band from Aachen, Germany. The musical style consists a lot of different elements of which the most prominent are Rock, Funk and Hip-Hop.
Nations' MySpace

3) Nations were a hardcore band from Cincinnati, Ohio. Their demo can be downloaded from that's punk. They have gone through several line-up changes, and are now known as Killing Years. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.