"Since 1993, two teams from other confederations, usually from CONCACAF whose members are geographically and culturally close, are also invited. Nations receiving invitations are Costa Rica (1997, 2001, 2004), Honduras (2001), Japan (1999), Mexico (1993, 1995, 1997, 1999, 2001, 2004, 2007), and the United States (1993, 1995, 2007). The United States has been invited every time since 1997 but frequently turned down the invitation due to scheduling conflicts with Major League Soccer. However, on October 30, 2006, the US Soccer Federation accepted the invitation for participation in the 2007 tournament, ending a 12 year absence. At Copa América 2001, Canada was an invitee, but on July 6, 2001 withdrew because of security concerns."
You learn something new everyday. Not sure if England meet the opening statement...but it does say "usually". But if we keep failing to qualify for the Euro's or World Cup, we will need to start pushing for an invite