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Cambridge IGCSE History revision notes

Depth study A: The First World War, 1914-18 Revision Notes

Cambridge IGCSE revision notes for Depth study A: The First World War, 1914-18.

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Depth study A: The First World War, 1914-18

CambridgeIGCSEHistoryDepth study A

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Depth Study A: The First World War, 1914-18 – Causes of Stalemate, Global Involvement, Other Fronts, and the 1918 Armistice

This note analyses the reasons behind the stalemate on the Western Front, evaluates the global nature of the war, assesses the importance of other fronts and naval battles, and investigates why Germany requested an armistice in 1918. It covers the failure of the Schlieffen Plan, trench warfare conditions, key battles such as Verdun and the Somme, contributions from British Empire, Indian, South African, and Japanese troops, the Gallipoli Campaign, Eastern Front developments, civilian impacts, and the factors leading to the armistice.

Syllabus source

Section 3, Topic DA.1, page 19, objective DA.1.1

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What you should be able to do

  • ✓Explain why the Western Front became a stalemate and the role of trench warfare and new technologies.
  • ✓Evaluate the global scale of the war through contributions from empire troops and other nations.
  • ✓Assess the significance of other fronts and naval battles in the overall conflict.
  • ✓Understand the military and political reasons behind Germany's request for an armistice in 1918.
1

Reasons for the Stalemate on the Western Front

The stalemate on the Western Front resulted from a combination of strategic failures and the nature of modern warfare. The German Schlieffen Plan aimed for a rapid victory by invading France through Belgium, but it failed due to unexpectedly strong Belgian resistance, rapid Russian mobilisation forcing Germany to divert troops east, and the British Expeditionary Force's resistance at Mons.

By late 1914, both sides had dug extensive trench systems stretching from the North Sea to the Swiss border, marking a shift to defensive warfare. Trenches protected soldiers from machine-gun fire and artillery but made offensive advances costly and slow.

New technologies such as machine guns, barbed wire, and poison gas increased defensive strength. Tanks were introduced later to break through trenches but were initially unreliable and few in number. Battles like Verdun and the Somme in 1916 demonstrated the high human cost and limited territorial gains, reinforcing the deadlock.

  • Schlieffen Plan failed due to Belgian resistance and Russian mobilisation.
  • Trench warfare created a defensive deadlock by late 1914.
  • Machine guns, gas, and barbed wire favoured defence over attack.
  • Verdun and Somme battles showed high casualties with minimal gains.
2

The Global Nature of the War and Contributions of Empire and Allies

World War I was truly global, involving troops and resources from across the British Empire and other allied nations. British Empire forces, including Canadians, Australians, New Zealanders, and South Africans, played key roles on the Western Front, often fighting alongside British troops.

Indian troops served in Africa and the Middle East, contributing to campaigns against German colonies. South African forces fought in Africa, notably in German South-West Africa.

Japan, allied with Britain, seized German possessions in the Pacific and China, supporting the Allied war effort and securing strategic positions. The Arab Revolt, supported by British officers like T.E. Lawrence, challenged Ottoman control in the Middle East, diverting Central Powers' resources.

  • British Empire troops fought on Western Front and other theatres.
  • Indian and South African troops active in African campaigns.
  • Japan captured German territories in Asia-Pacific.
  • Arab Revolt weakened Ottoman control in the Middle East.
3

Significance of Other Fronts and Naval Battles

The war extended beyond the Western Front. The Eastern Front saw large-scale battles between Germany, Austria-Hungary, and Russia, with more movement than the West but eventual Russian withdrawal after 1917 revolution.

The Gallipoli Campaign in 1915 aimed to open a new front by attacking Ottoman forces but failed due to poor planning, strong Ottoman defence, and difficult terrain, resulting in heavy Allied casualties.

Naval battles, especially the Battle of Jutland in 1916, were crucial in maintaining British naval supremacy and the blockade of Germany, which restricted supplies and weakened the Central Powers economically and militarily. The war also severely affected civilian populations through food shortages, displacement, and casualties from total war strategies.

  • Eastern Front saw large-scale but fluid fighting; Russia withdrew in 1917.
  • Gallipoli Campaign failed due to strong Ottoman defence and poor Allied planning.
  • Battle of Jutland maintained British naval dominance and blockade.
  • Civilian populations suffered from shortages and war impacts.
4

Reasons for Germany Requesting an Armistice in 1918

Several factors led Germany to seek an armistice in late 1918. The entry of the United States in 1917 brought fresh troops and resources to the Allies, tipping the balance.

Germany launched a major offensive in 1918 (Spring Offensive) to break the stalemate but failed due to exhausted troops and effective Allied resistance.

By October 1918, widespread unrest and revolution erupted in Germany, with sailors and workers demanding peace and political change, undermining the war effort and government authority. Facing military defeat and internal collapse, Germany agreed to an armistice signed on 11 November 1918, ending the fighting.

  • US entry in 1917 strengthened Allies.
  • German 1918 offensive failed to break stalemate.
  • Revolution in Germany in October 1918 weakened government.
  • Armistice signed on 11 November 1918 to end hostilities.

At-a-glance summary

Comparison table

AspectDetailExampleExam Use
Schlieffen PlanGerman strategy for quick victory by invading France via BelgiumFailed due to Belgian resistance and Russian mobilisationExplain why the plan failed and led to stalemate
Trench WarfareDefensive system of trenches protecting soldiersWestern Front trenches from 1914 onwardsDescribe conditions and impact on stalemate
Empire TroopsContributions from British colonies and alliesIndian troops in Africa, Canadian troops in FranceDiscuss global nature of war and troop roles
Gallipoli CampaignAllied attempt to open new front against OttomansFailed landing and strong Ottoman defence in 1915Assess reasons for failure and impact
Armistice 1918End of fighting due to military and political factorsGerman revolution and failed offensiveExplain causes leading to armistice

Active recall

Quick check

1. What was the main reason the Schlieffen Plan failed?

Belgian resistance slowed the German advance, and Russian mobilisation forced Germany to divert troops, preventing a quick victory.

2. How did trench warfare contribute to the stalemate?

Trenches provided strong defensive positions that made attacks costly and slow, leading to a deadlock.

3. Name two new technologies that affected warfare on the Western Front.

Machine guns and poison gas increased defensive strength and casualties.

4. Which empire troops fought in Africa during WWI?

Indian and South African troops participated in campaigns against German colonies in Africa.

5. Why did Germany request an armistice in 1918?

Due to the failure of their 1918 offensive, the entry of the US into the war, and internal revolution weakening Germany.

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