OCR Specification focus:
‘motives for raids; the stimulus for Scottish unity; decline and fall; expansionism: motives (economic, political and social).’
The causes and motives for Viking warfare and raids reveal a complex blend of economic necessity, political ambition, and social factors, shaping Scandinavian expansion across Europe.
Motives for Raids
The Vikings engaged in raids for several interlinked reasons. These motives were not static, and they evolved in response to changing conditions in Scandinavia and abroad.

A labelled map showing principal Viking routes (itineraries) and settlement zones across the North Atlantic and Europe. It illustrates how raiding sat alongside trading and migration, underpinning wider expansion. Extra detail: the map includes areas beyond Britain (e.g., the North Atlantic) which exceed the immediate syllabus focus but clarify the broader expansion context. Source
Economic Motives
Wealth acquisition: Viking raids were often directed at monasteries, towns, and settlements rich in treasure, livestock, and goods. These offered quick and concentrated gains.
Land hunger: Scandinavia’s limited fertile land, particularly in Norway, encouraged outward expansion to acquire farmland abroad.
Trade opportunities: Raiding and trading were closely linked. Initial raids often gave way to trading networks, as seen in Ireland, England, and the Frankish Empire.
Danegeld: A payment made by Anglo-Saxon rulers to Viking raiders in order to secure peace and prevent further attacks.
The promise of such payments reinforced the economic incentive for raiding, as campaigns could be financed by ransom and tribute without the need for continuous plunder.
Political Motives
Kingship and status: Raiding was a means for leaders and aspiring kings to gain prestige and wealth, cementing their authority at home.
Expansion of influence: Ambitious rulers, such as those who later founded the Danelaw, used raids as a prelude to settlement and governance.
Dynastic rivalries: Internal Scandinavian disputes encouraged warriors to seek fortunes abroad, either to secure allies or to carve out independent power bases.
Social Motives
Warrior ethos: Viking society valued martial success. Raiding provided an outlet for young men to gain honour, wealth, and reputation.
Population pressures: Expanding populations, especially in coastal areas, created pressure to seek resources beyond Scandinavia.
Exile and opportunity: Outlawed individuals or those excluded from inheritance often joined raiding parties as a route to survival and potential wealth.
The Stimulus for Scottish Unity
The Viking incursions into Scotland acted as a catalyst for political unification. Prior to raids, Scotland was a fragmented land of Picts, Scots, Britons, and Norse-Gaels.
The attack on Iona (795) demonstrated the vulnerability of isolated religious centres and local rulers.
Repeated raids by Norse groups highlighted the need for cohesive defence structures.
Leaders like Kenneth MacAlpin capitalised on this external threat to bring together Picts and Scots, laying foundations for the medieval Scottish kingdom.
Thus, Viking aggression inadvertently strengthened Scotland by forcing disparate groups into cooperation against a common foe.
Decline and Fall
The success of Viking raiding did not last indefinitely. By the late ninth and tenth centuries, several factors contributed to the decline of this strategy:
Increased resistance: Leaders such as Alfred the Great implemented defensive reforms, including fortified burhs, which made raids far riskier.

A labelled map of burhs named in the 10th-century Burghal Hidage, concentrated in Wessex and neighbouring regions. These fortified centres coordinated levy defence and protected trade, raising the costs and risks of Viking raiding. The clear labels make the system’s geographical coverage immediately visible. Source
Overextension: Prolonged campaigning stretched Viking resources thin, limiting their ability to sustain constant warfare abroad.
Shift to settlement: Many raiders chose to settle permanently, establishing communities in England, Ireland, and Normandy, shifting focus from raiding to farming and governance.
Integration into local politics: Viking leaders began to play roles within local political frameworks, reducing the incentive for independent raiding.
Burh: A fortified town established in Anglo-Saxon England, designed to provide defence against Viking attacks and to act as centres of trade and administration.
Expansionism: Motives (Economic, Political and Social)
While raiding was an early strategy, Viking expansionism had broader aims that combined all three dimensions of motivation.
Economic Expansion
Farming settlements: Scandinavians sought fertile land in places like the Danelaw, Ireland, and the North Atlantic.
Resource control: Securing trade routes, ports, and river systems (e.g., in Russia) allowed Vikings to dominate commerce.
Craft-working and trade hubs: Towns such as York and Dublin flourished under Viking rule as centres of craftsmanship and long-distance trade.
Political Expansion
Territorial claims: Successful raiding often transformed into political control, with Norse rulers establishing kingdoms abroad.
Alliances and integration: Vikings forged alliances through marriage and treaties, embedding themselves within European political structures.
Ambition of leaders: Figures like Rollo in Normandy used Viking military strength to secure legitimate rulership.
Social Expansion
Migration of families: Unlike earlier raids, later expansion included settlers bringing wives and children, creating lasting communities.
Cultural blending: Norse settlers assimilated with local populations, shaping hybrid societies that mixed Scandinavian and native customs.
Prestige and identity: Expansion reinforced the sense of Viking identity, binding together dispersed groups through shared traditions and memories of conquest.
The blend of economic need, political ambition, and social opportunity ensured that Viking expansion was far more than mere opportunistic raiding. It represented a transformative force across northern Europe, with consequences that endured long after raiding itself declined.
FAQ
Monasteries were often wealthy, housing silver objects, manuscripts, and relics. They were typically undefended, making them easy targets for quick raids.
In addition to material wealth, monasteries symbolised Christian authority. Attacking them projected Viking strength and undermined local rulers’ prestige.
Raiding aimed at immediate gain through plunder, tribute, or ransom. It was opportunistic, often targeting defenceless communities.
Trading, by contrast, involved establishing long-term exchange networks, requiring cooperation and relative stability. Many Viking leaders shifted from raiding to trading as they sought sustained wealth.
Scandinavian inheritance laws often left younger sons without land.
Eldest sons usually inherited family farms.
Younger sons faced limited opportunities at home.
Raiding offered a means to acquire wealth, status, and possibly new land abroad.
This dynamic encouraged bands of young warriors to seek fortunes beyond Scandinavia.
Knowing that Anglo-Saxon kings might pay Danegeld, Viking leaders adapted raids to maximise pressure without necessarily seeking pitched battles.
They often threatened key towns or regions to secure large payments.
Success encouraged repeated demands, turning tribute into a predictable income source.
This shaped raiding into a more calculated strategy rather than random plunder.
The disruption caused by raids exposed weaknesses in existing rulers who could not defend their people.
In some areas, leaders who organised effective resistance gained legitimacy and support. Elsewhere, rulers who failed were displaced by stronger figures or by Norse leaders themselves, reshaping local political landscapes.
Practice Questions
Question 1 (2 marks)
Give two economic motives for Viking raids during the period c.790–1066.
Mark scheme:
1 mark for identifying each correct economic motive (up to 2 marks).
Possible correct answers include:Acquisition of wealth/treasure/goods from monasteries or towns.
Need for land due to limited fertile farmland in Scandinavia.
Opportunities for trade and control of trading routes.
Question 2 (6 marks)
Explain how Viking raids encouraged the development of Scottish unity.
Mark scheme:
Level 1 (1–2 marks):
Simple or generalised statements, such as noting that raids threatened Scotland, with limited explanation.
Level 2 (3–4 marks):
Some explanation of how Viking raids affected political groups in Scotland, with limited detail. For example, recognising that raids encouraged groups to defend together.
Level 3 (5–6 marks):
Developed explanation with clear supporting detail.
Specific reference to Viking attacks (e.g., raids on Iona).
Explanation of how the external threat encouraged Picts and Scots to cooperate under figures like Kenneth MacAlpin.
Clear linkage between Viking pressure and the process of Scottish unification.