Complex sentence: It has been used by scholars as evidence of the structure and formation of the Mercian kingdom and to build elaborate models of political hegemony, for instance in providing evidence that the larger Anglo-Saxon kingdoms contested the small bordering territories concentrated in the Middle Anglia region.
Split into simpler sentences: It has been used by scholars as evidence of the structure and formation of the Mercian kingdom. The document has also been used by historians to construct elaborate models of political hegemony; for instance, it has been used as evidence to support the idea that larger Anglo-Saxon kingdoms contested the small bordering territories concentrated in the Middle Anglia region.