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This guide is for Pearson Edexcel A Level History, Paper 3 option 35.2: The British experience of warfare, c1790-1918.

Your breadth study follows long-term changes in military organisation, recruitment, finance, weapons and civilian participation. Your five depth studies cover the French Wars, the Crimean War, the Second Boer War, the Western Front and war in the air.

Paper 3 lasts 2 hours 15 minutes, carries 60 marks and is worth 30% of your A level.

• Section A: one compulsory 20-mark evaluation of a contemporary source through two linked depth enquiries.
• Section B: one 20-mark depth essay chosen from two.
• Section C: one 20-mark breadth essay chosen from two, covering at least 100 years.

Pause permission: you do not need to memorise every battle before you understand the course. Begin with one question: how did Britain turn people, money, industry and information into military power?

The whole course in one argument

British warfare changed because government, armed forces, finance, industry and society became more capable of organising sustained war. Yet change was uneven. A new weapon mattered only when it could be manufactured, supplied, maintained and integrated into training and tactics. A reform mattered only when institutions implemented it. More resources did not automatically produce good command or quick victory.

Britain's maritime position, commercial networks and public credit gave it important advantages. These advantages operated through taxation, borrowing, shipping, allies, administration and productive capacity. They imposed costs as well as creating power.

The role of people widened from sailors, regular soldiers, impressed men, volunteers and camp followers to mass armies, conscripts, industrial workers and an organised home front. Public opinion also became more visible through newspapers, photography and propaganda, but no one source or campaigner represented everyone.

Anchor dates

• 1793: Britain enters war with revolutionary France.
• 1805: Nelson's victory at Trafalgar.
• 1806: Congreve rockets first used operationally.
• 1815: Waterloo ends the Napoleonic Wars.
• 1832: Graham's naval reforms begin.
• 1854: Crimean War begins; battles of Alma and Balaclava.
• 1855: McNeill-Tulloch report; fall of Sebastopol.
• 1856: Crimean War ends.
• 1859-60: Armstrong breech-loading artillery enters service.
• 1868-74: Cardwell army reforms.
• 1899: Second Boer War begins; Black Week.
• 1900: relief of Kimberley, Ladysmith and Mafeking.
• 1902: Second Boer War ends.
• 1904-10: Fisher's naval reforms.
• 1905-12: Haldane army reforms.
• 1914: First World War begins; movement gives way to a fortified Western Front.
• 1915: chlorine gas used at Ypres; Zeppelin raids on Britain; tank development.
• 1916: conscription introduced; Battle of the Somme.
• 1917: Passchendaele; Gotha raids on Britain.
• 1918: Hundred Days offensive and armistice.

Essential vocabulary

Logistics: supplying and moving personnel, food, ammunition, equipment and medical support.

Ordnance: military weapons, ammunition and their supporting administration.

Impressment: compulsory recruitment, especially of sailors, used before modern conscription.

Conscription: compulsory military service imposed through law.

Public credit: the state's ability to borrow because lenders expect repayment.

Attrition: wearing down an enemy's capacity and willingness to continue fighting.

Combined arms: coordinating different weapons and services so that each supports the others.

Reconnaissance: gathering information about enemy positions and activity.

Home front: civilian society and production organised to sustain a war.

Breadth theme 1: organising the military

In 1790, the army and navy depended on inherited institutions, patronage, contractors and local arrangements. Supply and ordnance could be fragmented. Britain could still project power because naval reach, commercial connections, public credit and coalition partners multiplied its capacity.

The Crimean War exposed administrative and supply weaknesses. The McNeill-Tulloch investigation documented failures, but a report did not itself repair them. Cardwell's reforms later abolished purchase of commissions, reorganised regiments and altered conditions of service. Haldane created an expeditionary structure, Territorial Force and Special Reserve suited to a different strategic setting.

Naval organisation also changed. After 1815 the navy contracted. Steam, iron and new artillery later demanded different ships, dockyards, expertise and supply. Graham's reforms addressed administration, while Fisher's programme reorganised fleets, training and ship development. Reform must be judged against its problem, implementation and consequences, not treated as one uninterrupted march towards efficiency.

Recruitment moved among impressment, regular enlistment, volunteering and conscription. The scale and duration of the First World War produced the 1916 decision to compel service. That enlarged the state's reach but also required registration, exemptions, medical assessment, training and continuing political legitimacy.

Breadth theme 2: weapons, finance and people

Carronades offered short-range naval firepower. Congreve rockets created dramatic but often inaccurate effects. Armstrong guns marked an important artillery development; machine guns transformed defensive fire; and tanks offered protected mobility but initially suffered mechanical and tactical limits. In each case, ask four questions: was it available, produced at scale, supplied reliably and used through suitable doctrine?

War finance connected battlefield endurance to taxation and borrowing. Bonds, consols and later war loans drew resources into government use. This depended on administration, investor confidence and the productive economy. Borrowing distributed costs across time; it did not make war free.

Civilian roles widened. Camp followers provided labour, trade and care around armies. Industrialisation increased the importance of factory and transport workers. By 1914-18, government coordinated shipping, food, labour, information and munitions on an unprecedented scale. Women entered or expanded many forms of war work, although opportunities, pay and post-war consequences remained unequal.

Can you simplify that for me, please?

The minimum idea: Britain became stronger at war when it connected people, money, organisation and technology.

• People: recruit, train and sustain forces.
• Money: tax or borrow to pay for war.
• Organisation: turn decisions into reliable action.
• Technology: provide useful tools and weapons.

Example: a tank that breaks down, lacks fuel or has no infantry support cannot transform a battle merely because it is new.

Sequence: invention -> production -> distribution -> training -> coordinated use -> enemy response.

Recognition check: Did a new weapon automatically create victory? No.

Explanation check: Why did administration matter? It connected national resources to forces where and when they were needed.

Return to the breadth argument by asking which connection was weakest in each period.

Depth study 1: the French Wars, 1793-1815

Nelson's naval command culminated at Trafalgar, limiting French maritime options, protecting British connections and strengthening coalition warfare. Wellington's campaigns depended on discipline, intelligence, supply, allied cooperation and the strategic opportunities of Iberia, not personal talent alone. Waterloo was a coalition battle, not an isolated British achievement.

War affected industry, commerce and agriculture unevenly. Government demand stimulated some production, while blockade, disruption, taxation, debt and inflation imposed costs. Britain's credit and commercial system helped sustain long war, but explain how these resources were converted into military effect.

Depth study 2: the Crimean War, 1854-56

Alma, Balaclava and Sebastopol reveal the interaction of combat, command, coalition problems, transport, supply, disease and medical care. Raglan must be assessed within imperfect information and weak institutions without removing individual responsibility.

Florence Nightingale reorganised nursing and hospital administration; Mary Seacole independently provided care and supplies near the fighting. Treat their contributions distinctly and include the wider medical workforce. Roger Fenton's photographs and William Russell's reports shaped perceptions, but selection, timing, technology, audience and publication limited what each could show.

Depth study 3: the Second Boer War, 1899-1902

The sieges of Mafeking, Kimberley and Ladysmith captured public attention. Black Week exposed British problems in intelligence, tactics and command. Buller, Roberts and Kitchener operated in changing phases of war, so compare their aims, constraints, methods and results rather than attaching simple labels.

British reinforcement and adaptation eventually converted superior resources into victory, but counter-guerrilla warfare, scorched-earth policies and concentration camps imposed severe civilian suffering. Churchill, Emily Hobhouse, Campbell-Bannerman and Lloyd George expressed sharply different views. Use them as evidence of debate, not as substitutes for the whole public.

Depth study 4: the Western Front, 1914-18

The war of movement became a fortified front because firepower, casualties, logistics and reciprocal reinforcement frustrated decisive plans. Trenches were connected defensive systems of artillery, machine guns, wire, shelters, communications and reserves.

Armies adapted through gas, tanks, improved artillery, fuse 106, aerial observation and the creeping barrage. Every solution had limits. At the Somme and Passchendaele, judge Haig through objectives, intelligence, resources, alternatives, losses and results. During the Hundred Days, improved coordination and Allied strength interacted with declining German capacity. Avoid both a simple story of incompetent generals and an uncritical learning-curve story.

Controlled reporting shaped public knowledge. Censorship and propaganda mattered, but soldiers' letters, casualties, local experience and changing war weariness complicated official messages.

Depth study 5: war in the air, 1914-18

Aircraft first supplied reconnaissance and artillery observation. Air combat developed partly from attempts to protect or prevent this information gathering. The RFC relied on trained crews, cameras, wireless, maintenance, intelligence and ground cooperation. Air support contributed to operations in 1918 but did not decide the war independently.

Zeppelin and Gotha bombing brought novel violence to British civilians. Separate casualties and material damage from fear, political pressure and strategic effect. Defence, reporting and propaganda shaped responses, but the public did not react uniformly.

Section A: evaluating a contemporary source

For both enquiries, select relevant content, test it against precise contextual knowledge and examine authorship, timing, audience and purpose. Explain the consequence for value. A correspondent may reveal what readers were told while lacking access to command decisions. A campaigner may document suffering closely while selecting evidence to demand reform. Replace the label "biased" with a precise explanation of usefulness and limitation.

Section B: the depth essay

Build criteria suited to the question: military effect, reach, speed, sustainability, public impact or degree of change. Compare the named factor with alternatives throughout. Use events as evidence inside an argument rather than narrating battles in sequence.

Section C: the breadth essay

Cover at least 100 years. Organise by factors such as government, finance, recruitment, organisation, technology and civilian participation. Track early, middle and late evidence in every main section. Distinguish invention from effective use and formal reform from implementation.

Retrieval practice

Without looking back, produce:

1. twenty anchor dates; 2. definitions of logistics, public credit, attrition and combined arms; 3. an invention-to-effective-use sequence; 4. a Cardwell-Haldane-Fisher comparison; 5. one command-resources-society explanation for each depth war; 6. a Fenton-Russell-Hobhouse source comparison; 7. one Section A value paragraph; 8. one 100-year Section C plan.

Take this further

Create a matrix with rows for organisation, recruitment, finance, technology, civilians and public opinion. Use columns for 1790-1815, 1815-56, 1856-1902 and 1902-18. Judge whether Britain's greatest change was increased state capacity or more effective integration of existing resources.

Your next action

Choose organisation, technology or people. Divide 1790-1918 into three phases and record one change, one continuity, one limitation and one precise example for each. Then write a judgement explaining which phase contained the most important transformation.

Official course source used

• Pearson Edexcel A Level History specification, Issue 4 (June 2026), option 35.2 and Paper 3 assessment requirements.