Anglo-Saxon warfare was characterised by frequent and violent conflicts between petty kings, which ultimately led to the rise of larger kingdoms such as the Kingdom of Mercia, the Kingdom of Northumbria, and the Kingdom of Wessex. In early Anglo-Saxon England, military success was expected of a king: conquering lands and collecting tribute was how a royal warlord rewarded his followers and ensured their loyalty.
This is a companion discussion topic for the original content at https://www.worldhistory.org/Anglo-Saxon_Warfare/.