One of the As in RIAA stands for America ( Well to be politically correct USA) ... you can work out for yourself what the other A stands for
Frostwire is not based in USA but is closely related to Limewire. The story is fairly long so I suggest you read the following thread, which will, I think explain what's going on.
http://www.gnutellaforums.com/showth...=&pagenumber=1