Based on the idea that the Scots controlled much of modern Cumbria, it had been supposed that William Rufus's new castle at Carlisle and his settlement of English peasants in the surrounds was the cause.
Didasarkan pada gagasan bahwa Skotlandia mengendalikan banyak Cumbria modern, seharusnya bahwa kastil baru William Rufus di Carlisle dan penyelesaiannya dengan para petani Inggris yang menjadi penyebabnya.