It is disputed whether traders from New England really engaged in a "triangle", and there are good reasons to be skeptical. Historian Clifford Shipton noted that unlike British ships, "no New England traders are known to have completed a single circuit of that triangle."<ref>[https://books.google.com/books?id=xinaCwAAQBAJ&pg=PA127 And a Bottle of Rum: A History of the New World in Ten Cocktails]</ref> | It is disputed whether traders from New England really engaged in a "triangle", and there are good reasons to be skeptical. Historian Clifford Shipton noted that unlike British ships, "no New England traders are known to have completed a single circuit of that triangle."<ref>[https://books.google.com/books?id=xinaCwAAQBAJ&pg=PA127 And a Bottle of Rum: A History of the New World in Ten Cocktails]</ref> |