What did Alfred the Great build to defend against vikings?

Alfred constructed a fleet of large longboats,that could carry a hundred men, to meet and fight off the invaders before they landed. The problem with these boats were that they weren't as efficient as the Vikings advance boats that were much faster. read more

Alfred the great built fortified towns to defend against the vikings. They were called burghs, a word preserved today in many place names. read more

After the death of Alfred the Great it would still take another _____ to expunge the Vikings from England once and for all. half century Some Vikings sailed off to plunder new frontiers across the _____. read more

Alfred's burh system posed such a formidable challenge against Viking attack that when the Vikings returned in 892, and successfully stormed a half-made, poorly garrisoned fortress up the Lympne estuary in Kent, the Anglo-Saxons were able to limit their penetration to the outer frontiers of Wessex and Mercia. read more