๐ŸŒ Western History

Chapter 1 ยท The First World War

From Ideological Roots to Post-War Aftermath โ€” The Full Story
๐Ÿ“š Topic 9 (I) โฑ๏ธ 1914โ€“1919 ๐ŸŽฏ DSE History Core

๐Ÿ“‹ Chapter Outline

  1. Ideological Roots of the War
  2. Economic Roots: Shifts in National Strength
  3. The Alliance System
  4. The Spark: The Sarajevo Incident
  5. Course of the War
  6. The Treaty of Versailles
  7. Impact on China: Shandong and the May Fourth Movement
  8. The Seeds of WWII: The Rise of Fascism
  9. International Organizations: League of Nations โ†’ United Nations
  10. Chapter Summary

1. Ideological Roots of the War

The First World War did not erupt out of nowhere. By 1914, Europe had spent more than six decades accumulating ideological, economic, and military tensions. At the deepest level, three powerful ideologies had converged to make a continental war almost inevitable.

๐Ÿง  Nationalism

The dominant belief of 19th-century Europe held that every nation had the right to form its own sovereign state. Language, culture, and history were treated as the natural basis for political borders.

๐Ÿ’ก Memory Aid: "Nationalism = One nation, one state." German speakers, for example, all belonged in the German Empire.

๐ŸฆŽ Social Darwinism

In 1859 Charles Darwin published On the Origin of Species, introducing the idea of "survival of the fittest". European statesmen and thinkers later misapplied this biological idea to human society and international politics.

"Strong nations expand โ†’ Weak nations are naturallyๆท˜ๆฑฐ โ†’ Justified" โŒ (A dangerous misconception!)

โš”๏ธ Militarism

Many powers came to believe that military strength equalled national prestige. The result was an arms race that pushed Europe closer to war.

2. Economic Roots: Shifts in National Strength

After the Second Industrial Revolution took hold in the 1870s, the map of European power was redrawn.

๐Ÿ“Š Industrial Output of the Great Powers in 1900

CountryIndustrial Output IndexNotes
๐Ÿ‡บ๐Ÿ‡ธ United States4 (the strongest)Rising newcomer, world leader
๐Ÿ‡ฉ๐Ÿ‡ช Germany3 (catching up fast)Industrialised quickly after 1871 unification
๐Ÿ‡ฌ๐Ÿ‡ง Britain3 (traditional้œธไธป)"Workshop of the World" status challenged
๐Ÿ‡ท๐Ÿ‡บ Russia3Agriculture-based, slow industrialisation
๐Ÿ‡ซ๐Ÿ‡ท France2Weakened by the 1871 Franco-Prussian War
๐Ÿ‡ฏ๐Ÿ‡ต Japan1Just beginning after the Meiji Restoration
๐Ÿ”ฅ Key Tension: Germany's industrial output overtook Britain's around 1900, yet the world had already been carved up between Britain and France. Germany demanded its "Place in the Sun", and the stage was set for confrontation.

๐ŸŒ Scramble for the World

The late 19th century is often called the Age of Imperialism.

3. The Alliance System: Two Armed Camps

๐Ÿ“œ Formation of the Central Powers

1873 โ€” Three Emperors' League (Germany, Austria-Hungary, Russia)
1879 โ€” Dual Alliance (Germanyโ€“Austria-Hungary; Russia dropped out)
1882 โ€” Triple Alliance signed (Germany, Austria-Hungary, Italy)

๐Ÿ“œ Formation of the Allied Powers

1904 โ€” Entente Cordiale (Britainโ€“France)
1907 โ€” Anglo-Russian Entente (Triple Entente: Britain, France, Russia)
โšก Fatal Consequence: Europe had split into two opposing military blocs. Once any one country was attacked, its allies were obliged to fight. A small spark in the Balkans was enough to set the whole continent ablaze.

4. The Spark: The Sarajevo Incident (28 June 1914)

๐Ÿ“ The Balkan Powder Keg

The Balkan Peninsula was a tangle of competing peoples โ€” Serbs, Croats, Bosniaks and others โ€” many of whom wanted independence from the Ottoman and Austro-Hungarian empires. The area earned the reputation as the "Powder Keg of Europe".

๐Ÿ’ฅ The Assassination at Sarajevo

๐Ÿ“š Why 28 June? It was a national "day of mourning" for Serbia, marking the 1389 Battle of Kosovo against the Ottoman Turks. The assassin deliberately intended to humiliate Austria-Hungary on this symbolic date.

โ›“๏ธ Chain Reaction

Sarajevo assassinationโ†’ Austria-Hungary declares war on Serbiaโ†’ Russia mobilises to defend Serbiaโ†’ Germany backs Austria-Hungaryโ†’ Britain and France back Russiaโ†’ World war erupts

5. Course of the War

๐Ÿช– The Two Camps

Central PowersAllied Powers
๐Ÿ‡ฉ๐Ÿ‡ช German Empire๐Ÿ‡ฌ๐Ÿ‡ง British Empire
๐Ÿ‡ฆ๐Ÿ‡น Austria-Hungary๐Ÿ‡ซ๐Ÿ‡ท French Third Republic
๐Ÿ‡น๐Ÿ‡ท Ottoman Empire๐Ÿ‡ท๐Ÿ‡บ Russian Empire
(later joined: Bulgaria)๐Ÿ‡ฎ๐Ÿ‡น Italy switched sides in 1915
๐Ÿ‡บ๐Ÿ‡ธ United States entered in 1917

โš™๏ธ The Schlieffen Plan

German Chief of Staff Alfred von Schlieffen devised the plan in 1905.

โŒ Plan Failed: Russia mobilised faster than expected, forcing Germany to fight on two fronts. The hoped-for quick victory turned into a long, grinding war.

๐Ÿ•ณ๏ธ Trench Warfare on the Western Front

From late 1914 the Western Front in France and Belgium became a continuous line of opposing trenches.

๐Ÿ’€ New Weapons of Mass Destruction

WeaponFirst Major UseNotes
โ˜ ๏ธ Poison gas22 April 1915, Second Battle of YpresFirst deployed by Germany
๐Ÿ›ก๏ธ TankBattle of the Somme, 1916Introduced by Britain
โœˆ๏ธ AircraftReconnaissance โ†’ air combatBy late war, dogfights were routine
๐Ÿšข SubmarineGerman U-boat campaign"Unrestricted" submarine warfare from 1917

๐Ÿ‡บ๐Ÿ‡ธ Turning Point: American Entry

On 6 April 1917 the United States declared war on Germany. Two events pushed Washington into the fight:
  • Germany's resumption of unrestricted submarine warfare, which had already sunk the liner RMS Lusitania in 1915 with American passengers on board.
  • The Zimmermann Telegram, in which Germany proposed a military alliance with Mexico against the United States.

๐Ÿณ End of the War

6. Aftermath: The Treaty of Versailles (1919)

๐Ÿ“œ From the Paris Peace Conference to Versailles

โš–๏ธ The Harsh Terms Imposed on Germany

1๏ธโƒฃ Territorial Losses

2๏ธโƒฃ Military Restrictions

3๏ธโƒฃ War Reparations

Total bill: 132 billion gold marks

The burden drove Germany into hyperinflation โ€” by late 1923 one US dollar was worth 4.2 trillion marks.

โš ๏ธ Historical Verdict: The Treaty was widely regarded as too harsh. It humiliated Germany and planted the seeds of a second, even more destructive war. As the saying goes, the victors "sowed the dragon and reaped the flea".

7. Impact on China: The Shandong Question and the May Fourth Movement

๐Ÿ‡จ๐Ÿ‡ณ The Shandong Question

At the Paris Peace Conference China expected the German concessions in Shandong to be returned to Chinese sovereignty. Instead, Britain, France and the United States โ€” eager to keep Japan on side โ€” secretly agreed to transfer those privileges to Japan.

๐Ÿ”ฅ In 1919 China was treated as a defeated power despite having fought on the winning side.

๐Ÿ“ข The May Fourth Movement (4 May 1919)

8. Seeds of the Second: The Rise of Fascism

๐Ÿ”ฅ Why Did Fascism Rise?

1๏ธโƒฃ Resentment over Versailles

Many Germans felt the treaty was a dictate of revenge. The "war guilt" clause (Article 231) became a national humiliation.

2๏ธโƒฃ The Great Depression (1929โ€“1933)

The Wall Street Crash of 1929 triggered a global slump. German unemployment climbed to roughly 30%.

3๏ธโƒฃ Political Instability

The Weimar Republic (1919โ€“1933) suffered from weak coalitions and frequent changes of government, leaving democracy vulnerable.

๐ŸŽฏ Defining Features of Fascism

FeatureHow It Appeared in Practice
Extreme nationalismGlory of the nation and racial superiority
Authoritarian ruleRejection of liberal democracy in favour of one-party rule
MilitarismBelief that disputes should be settled by force
Anti-communismVigorous suppression of the political left
โš ๏ธ The Three Fascist Powers: ๐Ÿ‡ฉ๐Ÿ‡ช Adolf Hitler came to power in 1933 โ†’ ๐Ÿ‡ฎ๐Ÿ‡น Benito Mussolini from 1922 โ†’ ๐Ÿ‡ฏ๐Ÿ‡ต Japanese militarists dominated Tokyo from the early 1930s.

9. International Organisations: From the League of Nations to the United Nations

๐ŸŒ The League of Nations (1919โ€“1946)

๐ŸŒ The United Nations (founded 1945)

AspectLeague of NationsUnited Nations
Founded19201945
HeadquartersGenevaNew York
United StatesNever joinedFounding member
Armed forcesNonePeacekeeping forces
Decision-makingUnanimous requiredMajority vote; five permanent members hold veto power

๐Ÿ“Œ Chapter Summary

๐ŸŽฏ The WWI Causal Chain (for revision)

Nationalism+ Social Darwinism+ Militarismโ†’ Economic rivalryโ†’ Two armed blocsโ†’ Sarajevo sparkโ†’ World War eruptsโ†’ Versaillesโ†’ Fascism risesโ†’ Seeds of WWII

๐Ÿ’ก Key Memory Aids

๐ŸŽฏ The Three "-isms" = "N-D-M"
  • Nationalism โ€” one nation, one state
  • Social Darwinism โ€” might makes right
  • Militarism โ€” military solutions first
๐ŸŽฏ The Two Blocs
  • Central Powers: Germany, Austria-Hungary, Ottoman Empire โ†’ the "three central" empires
  • Allied Powers: Britain, France, Russia (later Italy and the USA) โ†’ the "Triple Entente"
๐ŸŽฏ The Three "Knives" of Versailles
  • Lost territory (Alsace-Lorraine, overseas colonies)
  • Capped military (army limited to 100,000)
  • Crushing reparations (132 billion gold marks)

๐Ÿ“Œ Timeline of Key Dates

1871 โ€” German unification
1882 โ€” Triple Alliance signed
1907 โ€” Anglo-Russian Entente; two blocs fully formed
1914.6.28 โ€” Sarajevo assassination
1914.8 โ€” Central Powers and Allies officially at war
1915.4.22 โ€” First large-scale use of poison gas at Ypres
1917.4.6 โ€” United States enters the war
1918.11.11 โ€” Germany surrenders; First World War ends
1919.5.4 โ€” May Fourth Movement in China
1919.6.28 โ€” Treaty of Versailles signed
1920 โ€” League of Nations begins work
1929โ€“33 โ€” Great Depression
1933 โ€” Hitler becomes German Chancellor

โ“ Common DSE-style Questions

  1. Explain the long-term causes of the First World War. (4โ€“5 marks)
  2. How did the Sarajevo incident trigger a world war?
  3. Describe the territorial, military and economic terms imposed on Germany at Versailles.
  4. Why did the May Fourth Movement break out, and what was its significance?
  5. Why did the League of Nations fail to preserve peace?
  6. How did the Treaty of Versailles plant the seeds of the Second World War?

โšก A Historical Reflection

"World War I was supposed to be 'the war to end all wars'" โ€” US President Woodrow Wilson.

Yet only twenty years later, in 1939, an even larger and more devastating Second World War broke out.

Historical lesson: When victors humiliate the defeated rather than reconcile with them, they sow the seeds of an even greater conflict.
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