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NotesHistory HLTopic 18.11Unification, Bismarck and the New German State (1849–1890)
Back to History HL Topics
18.11.210 min read

Unification, Bismarck and the New German State (1849–1890) (History HL)

IB History · Unit 18

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Contents

  1. 1Unification of Italy (1849–1871): Cavour, Garibaldi and Foreign Powers
  2. 2Prussia, Austria and the Zollverein: The Road to German Unification
  3. 3Bismarck: Final Unification and Governing the New Germany (1866–1890)
The big idea: After 1848–49, Italy was unified through Piedmontese statecraft, military heroism and foreign intervention, not by popular uprising alone.

Who did what

  • Cavour was the architect of the state.
  • Garibaldi was its sword.
  • France and then Prussia were the foreign powers whose interests Cavour cleverly exploited.

By 1849 the revolutions had been crushed and Austrian power in Italy was restored. But Piedmont-Sardinia survived as a constitutional monarchy under King Victor Emmanuel II, and its ambitious Prime Minister Cavour set about turning Piedmont into a modern, powerful state that could drive Austria out of the peninsula.

Cavour's method was not romantic nationalism — it was cold calculation. He industrialised Piedmont, built railways, reformed the army, and sought powerful allies.

1

1 — Cavour modernises Piedmont

From 1852 Cavour expanded railways, reduced tariffs and built a professional army. A strong Piedmont needed to look like a serious European state worthy of allies.

2

2 — Crimean War (1854–56) buys prestige

Cavour sent Piedmontese troops to fight in the Crimea alongside Britain and France — gaining a seat at the 1856 Paris peace conference where he could raise the Italian question publicly.

3

3 — Plombières Agreement with Napoleon III (1858)

Cavour secretly met the French emperor and agreed: if Austria attacked Piedmont, France would intervene militarily. In return, Piedmont would give Savoy and Nice to France.

4

4 — War with Austria (1859)

Cavour provoked Austria into war. French and Piedmontese forces defeated Austria at Magenta and Solferino, winning Lombardy. Napoleon III then signed a separate armistice — but the north was free.

5

5 — Garibaldi and the Thousand (1860)

Garibaldi and his 'Thousand' red-shirts sailed from Genoa and rapidly conquered Sicily and Naples (the Kingdom of the Two Sicilies), handing them to Victor Emmanuel.

6

6 — Kingdom of Italy proclaimed (1861)

With north and south united, the Kingdom of Italy was declared in March 1861. Venice followed in 1866 (after Prussia defeated Austria) and Rome in 1870 (after French troops withdrew during the Franco-Prussian War).

Cavour's approach

  • Diplomatic, calculating, patient
  • Used alliances with foreign powers (France, later Prussia)
  • Focused on Piedmont as the core of a future Italian state
  • Suspicious of radical nationalism; wanted a monarchical Italy

Garibaldi's approach

  • Military, heroic, spontaneous
  • Relied on popular nationalist enthusiasm
  • Focused on the south — Sicily and Naples
  • A republican who nonetheless surrendered conquests to the king
The role of foreign influence: Foreign powers shaped every turning point.
Foreign powerWhat it didResult for Italy
France (Napoleon III), 1859Defeated Austria; without French troops, unification would have stalledNapoleon received Savoy and Nice as his price
Prussia, 1866Defeated Austria in the Austro-Prussian War (1866)Italy took Venice
France again, 1870Napoleon III was defeated by Prussia and French troops left RomeItaly seized the Papal city and Rome became the capital
Never purely Italian: Italian unification was never purely an Italian achievement. It was made possible by the rivalries of the Great Powers.
Paper 3 exam tip — role of individuals vs. foreign powers: A very common Paper 3 question asks how important Cavour or Garibaldi was compared with foreign powers in unifying Italy. Be ready to argue both sides and reach a judgement: Cavour set up the conditions; Garibaldi conquered the south; but France and Prussia were the essential enablers at every critical moment.

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The big idea: German unification happened through the rise of Prussia and the decline of Austria. The Zollverein was the economic foundation; Bismarck was the political architect. By 1866 Austria had been driven out of German affairs for good.

After 1815 Germany remained a patchwork of 39 states in the German Confederation dominated by Austria. But during the first half of the century, Prussia was growing stronger — economically and militarily — while Austrian power, though impressive, was costly to maintain across a vast multi-ethnic empire.

The Zollverein (1834) — economic unification first: In 1834 Prussia created the Zollverein: a customs union that abolished internal tariffs between German states. Over the following decades almost every German state joined.

Why does it matter?

  • It created a single German market decades before political unification
  • Goods, capital and workers moved freely — tying German economies together
  • Prussia ran it (not Austria, which was excluded) — making Prussia the natural economic leader of Germany
  • It planted the idea that Germany could function as one unit
The debate: Historians debate how directly the Zollverein caused unification. It was not designed as a step toward a German state, but its long-term effect was to make Prussian leadership feel natural.
YearEventSignificance
1834Zollverein formedPrussia leads a shared German economy; Austria excluded
1848–49Frankfurt Parliament failsLiberal nationalist unification from below is defeated
1861Wilhelm I becomes King of PrussiaAppoints Bismarck as Minister-President in 1862
1862Bismarck appointedConstitutional crisis over army reform — Bismarck governs without parliament's approval
1864War against DenmarkPrussia and Austria jointly win Schleswig-Holstein
1866Austro-Prussian War (Seven Weeks' War)Prussia crushes Austria; Austria excluded from Germany
1867North German Confederation formedPrussia leads a confederation of north German states
1870–71Franco-Prussian WarSouth German states join Prussia; German Empire proclaimed
Prussia's military advantage: Prussia's army was reformed in the 1860s under Helmuth von Moltke (chief of staff) and War Minister Albrecht von Roon. Prussia could mobilise and strike before rivals were ready: decisive in both 1866 and 1870.

Key improvements

  • Universal conscription producing a large, well-trained reserve
  • Breech-loading needle gun (faster to fire than Austrian muskets)
  • Railway network to move troops faster than any other power
  • Efficient general staff system for campaign planning
The Austro-Prussian War, 1866 (Seven Weeks' War): Bismarck deliberately provoked a war over Schleswig-Holstein, isolating Austria diplomatically: France and Russia stayed neutral; Italy was promised Venice.

The war and its settlement

1

Königgrätz (Sadowa)

July 1866: a crushing Prussian victory in just seven weeks.

2

Austria excluded

Austria was excluded from the German Confederation, which was dissolved.

3

A new confederation

The North German Confederation (1867), led by Prussia, took its place.

4

Generous peace

Bismarck offered generous peace terms to Austria, deliberately not humiliating it, so Austria would not seek revenge.

Austria's decline — why it lost influence: Austria dominated the German world until the 1860s, but several weaknesses eroded its position.

Austria's weaknesses

  • Its multi-ethnic empire (Germans, Hungarians, Czechs, Italians…) was hard to govern — it needed to placate all groups rather than pursue bold German policy
  • Exclusion from the Zollverein left it economically isolated from Germany
  • Military defeats in 1859 (against France and Piedmont) and 1866 (against Prussia) destroyed its prestige
  • After 1866 Austria refocused as Austria-Hungary (the Compromise/Ausgleich of 1867), turning its gaze south-east, away from Germany

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The big idea: Bismarck used 'blood and iron' to complete unification in 1871, then spent nineteen years holding his new Empire together.

How he governed

  • He used laws, welfare and diplomacy to hold the Empire together.
  • He fought the Catholic Church (Kulturkampf) and crushed socialist opposition.
  • When Kaiser Wilhelm II came to power in 1888, Bismarck's grip on events slipped away.
The Franco-Prussian War (1870–71) and the 1871 Constitution: To bring the south German states (Bavaria, Württemberg, Baden) fully into a German nation, Bismarck needed a common enemy. He found one in France.
The Ems Dispatch: Bismarck provoked Napoleon III by editing a diplomatic telegram, the Ems Dispatch, to make a French demand look like an insult to Prussia. France declared war. South German states rallied to Prussia out of patriotism.

Results

  • France was swiftly defeated; Paris surrendered in January 1871
  • The German Empire (Deutsches Reich) was proclaimed in the Hall of Mirrors at Versailles on 18 January 1871
  • France ceded Alsace-Lorraine and paid a huge indemnity
Part of the 1871 Constitution (a federal state)Role
Bundesrat (upper house)Representatives of the 25 German states — Prussia dominated with 17 of 58 votes
Reichstag (lower house)Elected by universal male suffrage, but it could not bring down the government
Kaiser (hereditary emperor)Commanded the army and appointed/dismissed the Chancellor
PrussiaControlled foreign and military policy — Bismarck served as both Prussian Minister-President and Imperial Chancellor, reinforcing Prussian dominance
The Kulturkampf (1871–1879) — the struggle against the Catholic Church: Bismarck feared that German Catholics owed loyalty to the Pope in Rome rather than to the new Protestant-dominated Empire. The newly formed Centre Party was a Catholic political party that could challenge his authority.

The Kulturkampf ('culture struggle'): laws aimed at weakening the Church

  • The May Laws (1873): the state controlled the training and appointment of priests
  • Jesuits were expelled from Germany
  • Civil marriage became compulsory (not just church marriage)
  • Church supervision of schools was reduced
Why it failed: The Catholic community rallied behind the Church. The Centre Party grew stronger, not weaker, with each new law. By the late 1870s Bismarck quietly reversed most Kulturkampf laws: he needed Catholic votes in the Reichstag to pass tariff reform and to fight socialism.
The anti-socialist campaign (1878–1890): The Social Democratic Party (SPD) grew rapidly as Germany industrialised. Bismarck saw socialism as a direct threat to the imperial order. His strategy had two prongs — ban and bribe.

The stick — Anti-Socialist Laws (1878)

  • After two assassination attempts on Kaiser Wilhelm I (which Bismarck linked to socialists despite thin evidence), he pushed through laws banning socialist meetings, unions and newspapers.
  • SPD organisation was driven underground.

The carrot — State Socialism (1883–89)

  • Bismarck introduced Europe's first modern welfare state:
  • 1883 Health insurance for workers
  • 1884 Accident insurance
  • 1889 Old-age and disability pensions
Did it work?: The aim was to make workers loyal to the Empire rather than to socialist ideas: taking the wind out of socialist sails. It worked partially. The SPD survived underground, but the workers gained real benefits.
  • Consolidation of Prussia's role: Prussia's king was automatically German Kaiser; Prussian army law applied empire-wide; Bismarck held both top positions simultaneously
  • Tariff policy (1879): Bismarck switched to protective tariffs, satisfying both Junker (Prussian landowner) grain growers and industrial manufacturers — a coalition he called the 'marriage of iron and rye'
  • Foreign policy: Bismarck built a web of alliances (the Three Emperors' League, the Dual Alliance with Austria, the Reinsurance Treaty with Russia) to keep France isolated and prevent a two-front war
  • Fall of Bismarck (1890): Kaiser Wilhelm II, who became emperor in 1888, wanted personal control of policy. He dismissed Bismarck in March 1890 — ending the era of the 'Iron Chancellor'
Paper 3 — how Bismarck questions are set: Questions often ask you to evaluate Bismarck's domestic policies or assess 'how far' his methods were dictated by circumstance rather than design.

Key contrasts to use

  • Repression vs. reform (stick and carrot in anti-socialist policy)
  • Success vs. failure (Kulturkampf failed; welfare state succeeded in reducing revolutionary pressure)
  • Bismarck's design vs. luck (was unification his master plan, or brilliant improvisation?)
Link to the structural aim: Always link domestic policy back to the structural aim: holding the new Empire together against centrifugal forces (Catholic particularism, socialist internationalism, state rivalry).

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  • Define

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  • Describe

    Give a detailed account of processes or features in Unification, Bismarck and the New German State (1849–1890).

    AO2
  • Explain

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  • Evaluate

    Weigh strengths AND limitations of approaches in Unification, Bismarck and the New German State (1849–1890).

    AO3
  • Discuss

    Present arguments FOR and AGAINST with a balanced conclusion.

    AO3

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