OCR Specification focus:
‘Great-power conflicts altered colonial possessions and priorities during succession wars.’
The Wars of the Spanish and Austrian Succession were major conflicts that reshaped European and colonial balances of power, with lasting implications for the British Empire.
Background to the Wars
The War of the Spanish Succession (1701–1714)
The War of the Spanish Succession arose following the death of Charles II of Spain, who left no heir. His will named Philip of Anjou, grandson of Louis XIV of France, as successor. This threatened to unite the French and Spanish thrones, creating a superpower that alarmed European states. Britain, the Dutch Republic, and the Holy Roman Empire opposed this potential dominance.

A clearly labelled political map of Europe in 1714, reflecting the post-Utrecht/Rastatt configuration. It helps explain why Britain focused on curbing Bourbon power while leveraging naval and commercial advantages overseas. Extra continental detail beyond the syllabus (minor German states) is present but unobtrusive. Source
Britain sought to curb French power and protect its commercial interests.
The Grand Alliance formed to counterbalance France and Spain.
Key theatres of conflict included Europe, the Americas, and the Mediterranean.
The War of the Austrian Succession (1740–1748)
The War of the Austrian Succession followed the death of Charles VI of Austria. His daughter, Maria Theresa, claimed the throne under the Pragmatic Sanction, but Prussia, France, and Spain contested her succession. Britain supported Austria to maintain the European balance of power and safeguard its own empire.
The war had multiple fronts: continental Europe, India, and North America.
Britain’s involvement was as much about protecting overseas holdings as it was about supporting Austria.
Rivalry with France intensified, particularly in North America and the Caribbean.
Imperial Consequences of the Wars
Spanish Succession and Treaty of Utrecht (1713)
The Treaty of Utrecht ended the War of the Spanish Succession with significant colonial consequences:
Britain gained Gibraltar and Minorca, strengthening naval dominance in the Mediterranean.

A detailed English-labelled map of Gibraltar showing the promontory, harbour, and key urban features. It illustrates why the site became a durable Royal Navy base vital to Mediterranean sea-lane control. Contains urban detail (roads, districts) not required by the syllabus but useful for geographic orientation. Source
Acquired Newfoundland, Nova Scotia, and Hudson Bay territories from France, expanding North American holdings.
Secured the Asiento de Negros (the right to supply enslaved Africans to Spanish colonies), linking Britain directly to the transatlantic slave trade.
These gains boosted Britain’s naval capacity and commercial influence, embedding it more firmly in Atlantic and global trade networks.
Austrian Succession and Treaty of Aix-la-Chapelle (1748)
The Treaty of Aix-la-Chapelle ended the War of the Austrian Succession, but with limited long-term gains for Britain:
Britain returned Louisbourg (fortress in Nova Scotia) to France, frustrating colonists in North America.

An 18th-century plan of Louisbourg with an indexed key to bastions, batteries, and harbour approaches, plus insets of the harbour and Gabarus Bay. It clarifies why New Englanders valued the 1745 capture and resented the 1748 restitution. Contains extra technical fortification detail beyond the syllabus, but it directly supports the fortress’s strategic importance. Source
In India, the conflict marked the rise of the British East India Company as a military as well as a trading force.
Britain preserved its overseas interests but faced mounting colonial tensions, especially in North America where settlers expected firmer protection from French threats.
Shifts in Imperial Priorities
Commercial Priorities
Both wars revealed the increasing centrality of trade and colonies in Britain’s foreign policy:
Britain fought to secure access to markets and protect maritime trade routes.
Sugar islands in the West Indies and control of North American resources became central war aims.
Control of the slave trade via the Asiento enhanced Britain’s economic influence.
Strategic Priorities
The wars demonstrated Britain’s reliance on naval power to defend and expand the empire:
Gibraltar became a vital naval base, ensuring British dominance of Mediterranean waters.
Protection of sea lanes allowed Britain to underwrite its empire with commercial security.
Naval strategy increasingly shaped Britain’s global outlook, distinguishing it from continental rivals.
Wider Implications for Britain and the Colonies
Britain’s Position in Europe and Beyond
By the Treaty of Utrecht, Britain curtailed French ambitions and emerged as a leading European great power.
The Austrian Succession showed that Britain’s commitments in Europe were inseparable from its imperial concerns.
The struggles laid foundations for the Seven Years’ War, where imperial issues would take centre stage.
Colonial Experience
The colonies experienced both disruption and opportunity:
North American colonists faced frontier warfare with French and Native American allies, fostering resentment at Britain’s diplomatic concessions.
In the Caribbean, competition over sugar islands intensified, reflecting the economic weight of plantation systems.
The wars deepened the entanglement of colonial economies with Britain’s strategic and commercial priorities.
Definition Blocks
Grand Alliance: A coalition formed in 1701 including Britain, the Dutch Republic, and the Holy Roman Empire to oppose French and Spanish power under Philip of Anjou.
The alliance exemplified how Britain used continental partnerships to secure imperial aims overseas.
Asiento de Negros: A contract granted by Spain to supply enslaved Africans to Spanish colonies; acquired by Britain at Utrecht, it linked Britain directly to Atlantic slavery.
This monopoly illustrated how colonial conflicts were deeply connected to economic exploitation.
Key Points of Contrast Between the Wars
Spanish Succession: Clear territorial and commercial gains, laying groundwork for imperial expansion.
Austrian Succession: Less decisive gains, but important lessons in naval strategy and colonial rivalry.
Both wars entrenched Britain’s imperial identity as a maritime-commercial power with global commitments.
FAQ
British naval supremacy allowed for the protection of trade convoys and the projection of power into the Mediterranean.
The navy disrupted French shipping and safeguarded vital colonial trade routes, ensuring Britain could finance its war effort. Control of the seas also underpinned Britain’s ability to blockade enemy ports, limiting the economic strength of its rivals.
Colonists in New England, who had invested men and resources in capturing Louisbourg in 1745, felt betrayed.
Many viewed the Treaty of Aix-la-Chapelle as a sacrifice of colonial interests for European diplomacy.
This created early tension between British colonial settlers and metropolitan priorities, foreshadowing later frustrations.
The Asiento gave Britain legal access to supply enslaved Africans to Spanish colonies for thirty years.
This opened new trade routes in the Caribbean and South America.
It tied Britain directly to the lucrative slave trade, linking imperial rivalry with transatlantic commerce.
The monopoly highlighted the increasing economic importance of imperial wars.
The war drew European rivals, particularly Britain and France, into local struggles in India.
The British East India Company began to use military force to protect trade and support allied Indian rulers. This marked the start of Company transformation from a trading corporation into a territorial power.
The wars demonstrated that territorial and commercial gains overseas could be decisive in great-power politics.
Britain increasingly prioritised naval strength and colonial security over continental commitments.
Diplomatic treaties showed the importance of balancing European influence with imperial ambitions.
These lessons directly shaped Britain’s strategy in the later Seven Years’ War.
Practice Questions
Question 1 (2 marks)
Which two territories did Britain gain as a result of the Treaty of Utrecht (1713)?
Mark Scheme:
1 mark for identifying Gibraltar.
1 mark for identifying Minorca.
Question 2 (6 marks)
Explain how the Wars of the Spanish and Austrian Succession affected Britain’s overseas empire.
Mark Scheme:
1–2 marks: Limited knowledge shown; vague references to war or empire with little detail (e.g., “Britain fought France” or “the empire expanded”).
3–4 marks: Some accurate knowledge with partial explanation, e.g.:
Britain gained Gibraltar and Newfoundland in the Spanish Succession.
Britain gained trading advantages like the Asiento.
Louisbourg was captured but returned after the Austrian Succession.
5–6 marks: Detailed explanation with clear linkage to impact on the empire, e.g.:
Britain secured Mediterranean bases, strengthening naval dominance.
Territorial gains in North America increased Britain’s colonial presence.
The Asiento demonstrated the economic dimension of imperial rivalry.
The Austrian Succession showed the limits of Britain’s imperial success, as temporary conquests were returned.