 Complete the following phrase:  The Treaty of Wedmore is a 9th-century accord between Alfred the Great of Wessex and the Viking king Guthrum the Old. The only contemporary reference to this treaty, is that of a Welsh monk Asser in his biography of Alfred, known as Vita Ælfredi regis Angul Saxonum or Life of Alfred. In it Asser describes how after Guthrums defeat at the 