The economic historian Angus Maddison created the term "Western offshoots". According to Maddison’s classication, “Western Offshoots” consist of the United States, Canada, Australia and New Zealand.
David: "Hey that was nice, do you want to play monopolyright now"
Vivi: "Oh, not now, you know I have to drown the offshoots first. Plus, I would prefer to play scrabble."
Of all the Mustang offshoots, my favorite is the current Avanti. It was originally a Studebaker. Then it became a Camaro based car. When the Camaro became extinct, Avanti switched to the Mustang platform.