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The origins of the First World War

ICSE · Class 12 · History

Quick revision notes for The origins of the First World War — ICSE Class 12 History. Key concepts, formulas, and definitions for last-minute revision.

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Key Topics to Revise

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1. The Long-Term Causes: An Overview

  • The creation of a unified Germany in 1871 fundamentally changed the balance of power in Europe, creating a new, ambitious nation that unsettled existing powers.
  • Historians debate whether responsibility for the war lies with one nation (Germany/Austria-Hungary), multiple nations equally, or the international system itself.
  • Christopher Clark's 'Sleepwalkers' theory argues leaders stumbled into war like 'sleepwalkers' — watchful but unseeing.
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2. Economic Rivalry as a Cause

  • Britain had been the world's leading industrial and trading nation through the 19th century, with the largest empire in history — 12 million square miles and a quarter of the global population.
  • Britain's share of world manufacturing fell from 22.9% in 1880 to 13.6% by 1913. Its share of world trade dropped from 23.2% in 1880 to 14.1% in 1911–13.
  • Germany unified in 1871 rapidly became a dynamic economic powerhouse — resource-rich, well-educated, and growing fast.
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3. The Alliance System (1882–1907)

  • By 1907, Europe was divided into two armed camps: the Triple Alliance (Germany, Austria-Hungary, Italy) and the Triple Entente (France, Russia, Britain).
  • 1879: Dual Alliance — Germany and Austria-Hungary signed a treaty of mutual support, binding Germany's fate to Austria's increasingly vulnerable empire.
  • 1882: Triple Alliance — Italy joined Germany and Austria-Hungary. Renewed in 1907 and 1912. Importantly, Italy did NOT join when war broke out in 1914.
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4. The Arms Race

  • Kaiser Wilhelm II had a personal obsession with naval power and wanted Germany's navy to match its well-established army.
  • In 1888, Germany's navy had only 15,480 men and 18 armour-clads. By 1913, it had 2,196 officers and nearly 60,000 men, with plans for 61 capital ships, 40 cruisers, 144 torpedo boats, and 72 submarine
  • Grand Admiral Tirpitz was the driving force behind Germany's naval expansion — 'the motor force behind the audacious naval armaments programme' (Lerman).

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Key Concepts

By the late 19th centuryEurope divided itself into two competingBeginning in 1897The decline of Ottoman Empire authorityGermany's attempts to drive a wedge

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