Complex sentence: Emma Mason speculates that Cnut had build a royal residence in the vicinity of the Abbey, or that Westminster held some significance to the Danish Kings of England, which would also explain why Harthacnut would not allow a usurper to be buried there.
Split into simpler sentences: Emma Mason speculates that Cnut had build a royal residence in the vicinity of the Abbey, or that Westminster held some significance to the Danish Kings of England. Which would also explain why Harthacnut would not allow a usurper to be buried there.