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Effects of First World War Exercise Solutions | KalviGavani

Complete TN Class 12 History Chapter — Effects of First World War exercise solutions with MCQs, fill-in-the-blanks, true/false, match the following, short and detailed answers, and exam tips.

Updated 13 June 202618 min read

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These are complete exercise solutions for Samacheer Kalvi 12th History — Effects of First World War. Solve each question yourself first, then verify your answers below. Pay special attention to dates, treaties, and cause-and-effect relationships.


Key Concepts (Quick Recap)

  • Human Cost: Approximately 10 million military dead, 7 million civilian dead, 21 million wounded. Known as "the war to end all wars."
  • Four Empires Collapsed: Romanov (Russia), Habsburg (Austro-Hungarian), Ottoman (Turkey), and Hohenzollern (Germany) — all replaced by republics or new nations.
  • Treaty of Versailles (28 June 1919): Imposed harsh terms on Germany — war guilt clause (Article 231), reparations of £6.6 billion, territorial losses, military restrictions, demilitarised Rhineland.
  • New Nations: Poland, Czechoslovakia, Yugoslavia, Finland, Estonia, Latvia, Lithuania, Hungary, Austria emerged from collapsed empires.
  • League of Nations (1920): Created at the Paris Peace Conference to prevent future wars through collective security, arbitration, and disarmament. Weakened by the absence of the USA and lack of enforcement power.
  • Mandate System: Former Ottoman and German colonies placed under British and French administration as mandates, not granted independence — essentially disguised colonialism.
  • Economic Consequences: Massive war debts, hyperinflation in Germany (1923), global trade disruption, the beginning of American economic dominance.
  • Rise of Totalitarianism: Economic hardship and national humiliation in Germany and Italy created conditions for the rise of Nazism and Fascism, ultimately leading to WWII.
  • Russian Revolution (1917): WWI triggered the Bolshevik Revolution, creating the world's first communist state and introducing a new ideological divide.
  • Seeds of WWII: The harsh peace terms, unresolved territorial disputes, failure of the League of Nations, and economic instability made another war almost inevitable.

I. Choose the Best Answer

Q1. The Treaty of Versailles was signed on: (a) 11 November 1918 (b) 28 June 1919 (c) 10 January 1920 (d) 4 June 1919

Answer(b) 28 June 1919 — The treaty was signed at the Palace of Versailles exactly five years after the assassination of Archduke Franz Ferdinand. The date was deliberately chosen as a symbolic reminder.

Q2. Which Article of the Treaty of Versailles imposed war guilt on Germany? (a) Article 1 (b) Article 200 (c) Article 231 (d) Article 440

Answer(c) Article 231 — The 'War Guilt Clause' forced Germany to accept sole responsibility for causing the war, providing the legal basis for reparations. Germans called it the 'diktat' (dictated peace).

Q3. The League of Nations was established in: (a) 1918 (b) 1919 (c) 1920 (d) 1921

Answer(c) 1920 — The League came into existence on 10 January 1920, with its headquarters in Geneva, Switzerland. It was the first worldwide intergovernmental organisation aimed at maintaining peace.

Q4. Which country was NOT a member of the League of Nations? (a) Britain (b) France (c) USA (d) Japan

Answer(c) USA — Despite President Woodrow Wilson being the League's chief architect, the US Senate refused to ratify the Treaty of Versailles, and America never joined the League — a critical blow to its credibility.

Q5. The mandate system placed former colonies under: (a) Independent rule (b) British and French administration (c) German administration (d) Russian control

Answer(b) British and French administration — Former German colonies and Ottoman territories were classified as mandates and placed under British or French administration, theoretically under League supervision but practically as colonial possessions.

Q6. Which empire was NOT among those that collapsed after WWI? (a) Russian Empire (b) British Empire (c) Austro-Hungarian Empire (d) Ottoman Empire

Answer(b) British Empire — The British Empire actually expanded after WWI by acquiring mandate territories. The four empires that collapsed were the Russian, German, Austro-Hungarian, and Ottoman.

Q7. The amount of reparations imposed on Germany was approximately: (a) £1 billion (b) £3 billion (c) £6.6 billion (d) £10 billion

Answer(c) £6.6 billion — The Reparations Commission set the amount at 132 billion gold marks (approximately £6.6 billion), payable in annual instalments until 1984.

Q8. Which new nation was created as a corridor to the sea for Poland? (a) Czechoslovakia (b) Danzig (Free City) (c) Yugoslavia (d) Austria

Answer(b) Danzig (Free City) — The Treaty of Versailles created the Polish Corridor (giving Poland access to the Baltic Sea) and made Danzig a free city under League administration, separating East Prussia from the rest of Germany.

Q9. The Bolshevik Revolution occurred in: (a) 1905 (b) 1914 (c) 1917 (d) 1919

Answer(c) 1917 — The Bolshevik Revolution of October 1917 (led by Lenin) overthrew the Provisional Government in Russia, leading to Russia's withdrawal from WWI via the Treaty of Brest-Litovsk (March 1918).

Q10. The War Guilt Clause of the Treaty of Versailles is significant because it: (a) Freed Germany from all obligations (b) Provided the legal basis for demanding reparations from Germany (c) Established the League of Nations (d) Created new nations in Europe

Answer(b) Provided the legal basis for demanding reparations from Germany — Article 231's admission of German war guilt was the justification for imposing financial penalties. It became a source of deep national humiliation and a rallying point for German nationalists including Hitler.

II. Fill in the Blanks

1. World War I ended with the signing of the Armistice on 11 November 1918. 2. The Treaty of Versailles was signed on 28 June 1919 at the Palace of Versailles. 3. The War Guilt Clause (Article 231) forced Germany to accept sole responsibility for causing WWI. 4. The League of Nations was established in 1920 to maintain international peace. 5. The mandate system placed former German and Ottoman territories under British and French administration. 6. Poland, Czechoslovakia, and Yugoslavia were among the new nations created after WWI. 7. The Russian Revolution of 1917 led to the establishment of the world's first communist state. 8. Germany was required to pay £6.6 billion (132 billion gold marks) in reparations. 9. The Saar region was placed under League of Nations administration for 15 years. 10. The United States did not join the League of Nations despite President Wilson being its chief architect.


III. True or False

1. The Treaty of Versailles was welcomed by the German people.
AnswerFalse — Germans called it a 'diktat' (dictated peace) and viewed it as deeply humiliating, especially the war guilt clause and reparations.
2. The League of Nations had its own armed forces.
AnswerFalse — The League had no standing army and relied on member states to enforce its decisions, which was a major weakness.
3. The mandate system genuinely promoted the independence of former colonies.
AnswerFalse — The mandate system was essentially disguised colonialism; former colonies were placed under British and French control with only nominal League supervision.
4. The United States joined the League of Nations.
AnswerFalse — The US Senate rejected the Treaty of Versailles and America never joined the League, significantly weakening it.
5. The Treaty of Versailles reduced the German army to 100,000 soldiers.
AnswerTrue — The treaty limited the German army to 100,000, prohibited conscription, banned tanks and military aircraft, and limited the navy to small ships and no submarines.
6. New nations created after WWI included Finland, Estonia, Latvia, and Lithuania.
AnswerTrue — These Baltic states gained independence from the collapsed Russian Empire.
7. The Treaty of Versailles was the only peace treaty signed after WWI.
AnswerFalse — Separate treaties were signed with other Central Powers: Treaty of Saint-Germain (Austria), Treaty of Trianon (Hungary), Treaty of Neuilly (Bulgaria), and Treaty of Sevres/Lausanne (Turkey).
8. The economic effects of WWI led to the rise of totalitarian regimes.
AnswerTrue — Economic hardship, hyperinflation, and national humiliation contributed to the rise of Fascism in Italy and Nazism in Germany.
9. The Armistice of 11 November 1918 was a permanent peace treaty.
AnswerFalse — The Armistice was a ceasefire agreement, not a peace treaty. The actual peace terms came with the Treaty of Versailles in June 1919.
10. All the new nations created after WWI survived as independent states.
AnswerFalse — Several new nations (like Czechoslovakia and Yugoslavia) were later dissolved, and some were absorbed by larger powers before or during WWII.

IV. Match the Following

Set 1:

Column AColumn B
1. Treaty of Versailles(E) 28 June 1919 — Peace with Germany
2. Treaty of Saint-Germain(A) 1919 — Dissolved Austro-Hungarian Empire
3. Treaty of Trianon(D) 1920 — Peace with Hungary
4. Treaty of Neuilly(B) 1919 — Peace with Bulgaria
5. Treaty of Sevres(C) 1920 — Dismembered Ottoman Empire

Set 2:

Column AColumn B
1. Woodrow Wilson(D) Fourteen Points, League of Nations idea
2. Georges Clemenceau(E) Wanted to punish Germany severely
3. David Lloyd George(A) Wanted a balance between punishment and reconciliation
4. Vittorio Orlando(C) Wanted Italian territorial gains
5. Kaiser Wilhelm II(B) German Emperor, abdicated November 1918

V. Short Answer Questions

Q1. What were the main territorial changes imposed on Germany by the Treaty of Versailles?
Answer

Germany lost: Alsace-Lorraine to France, Eupen and Malmedy to Belgium, Northern Schleswig to Denmark, Posnania and part of West Prussia to Poland, all overseas colonies (to British/French mandates), the Saar (to League administration for 15 years), Danzig (made a free city), and the Polish Corridor separated East Prussia from the rest of Germany.

Q2. Why did the United States not join the League of Nations?
Answer

President Wilson was the League's chief architect, but the US Senate, led by Henry Cabot Lodge, opposed American involvement in European affairs. The Senate feared that League membership would drag the US into future European conflicts and undermine American sovereignty. The Senate rejected the Treaty of Versailles, and the US never joined.

Q3. What was the mandate system?
Answer

The mandate system was created by the League of Nations to administer former German colonies and Ottoman territories. These were classified as Class A (near independence), Class B (requiring longer tutelage), and Class C (requiring maximum control). In practice, mandates were placed under British and French administration with minimal League oversight, effectively becoming new colonial possessions.

Q4. Name the new nations created after World War I.
Answer

Poland, Czechoslovakia, Yugoslavia (Kingdom of Serbs, Croats, and Slovenes), Finland, Estonia, Latvia, Lithuania, Hungary (as reduced independent state), Austria (as reduced independent state), and the Irish Free State (1922). In the Middle East, new states like Iraq, Transjordan, and Palestine emerged under mandate administration.

Q5. Explain the economic consequences of World War I.
Answer

WWI caused massive economic disruption: European nations accumulated huge war debts (especially to the USA), global trade was severely disrupted, Germany experienced devastating hyperinflation (1923), agricultural and industrial production fell, unemployment rose, and the gold standard was abandoned. The USA emerged as the world's leading creditor nation, shifting economic power across the Atlantic.

Q6. How did WWI contribute to the Russian Revolution?
Answer

WWI exposed the weaknesses of the Tsarist regime — military defeats, food shortages, and massive casualties eroded public support. In February 1917, protests in Petrograd led to the Tsar's abdication. The Provisional Government's decision to continue the war worsened conditions, enabling Lenin's Bolsheviks to seize power in October 1917. Russia then withdrew from WWI via the Treaty of Brest-Litovsk (March 1918).


VI. Detailed Answer Questions

Q1. Discuss the provisions and significance of the Treaty of Versailles.
Answer

The Treaty of Versailles, signed on 28 June 1919, was the most important of the post-WWI peace treaties. Its key provisions were:

Territorial Provisions:

  • Alsace-Lorraine returned to France
  • Eupen and Malmedy ceded to Belgium
  • Northern Schleswig given to Denmark
  • Posnania and parts of West Prussia given to Poland
  • Polish Corridor created (separating East Prussia from Germany)
  • Danzig made a Free City under League administration
  • Saar placed under League administration for 15 years (coal mines given to France)
  • All German overseas colonies taken and placed under mandate system

Military Provisions:

  • German army limited to 100,000 volunteers (no conscription)
  • No tanks, military aircraft, or submarines permitted
  • Navy limited to 6 battleships and smaller vessels
  • Rhineland demilitarised; Allied troops stationed there for 15 years

War Guilt and Reparations:

  • Article 231 (War Guilt Clause) forced Germany to accept sole responsibility for the war
  • Reparations set at 132 billion gold marks (£6.6 billion)
  • Germany lost industrial areas (Saar coal, Upper Silesian minerals)

Political Provisions:

  • Kaiser Wilhelm II to be tried as a war criminal (never happened)
  • Germany forbidden from joining Austria (Anschluss)
  • League of Nations established

Significance: 1. Humiliation of Germany: The treaty was seen by Germans as a 'diktat' — the war guilt clause was especially resented and became a propaganda tool for Hitler. 2. Seeds of WWII: Harsh terms destabilised Germany economically and politically, creating conditions for the rise of Nazism. 3. Redrawing of Europe: New nations emerged, but many had mixed populations and disputed borders, storing up future conflicts. 4. Failed peace: The treaty was too harsh to reconcile Germany but not harsh enough to permanently weaken it — a fatal compromise.

Q2. Explain how World War I sowed the seeds of World War II.
Answer

The Treaty of Versailles and the post-war settlement created conditions that made another war virtually inevitable:

Humiliation of Germany:

  • The War Guilt Clause (Article 231) forced Germany to accept sole blame for WWI, a national humiliation that Hitler exploited brilliantly.
  • Massive reparations (£6.6 billion) crippled the German economy, leading to hyperinflation (1923) and the Great Depression's devastating impact (1929–33).
  • Territorial losses (Alsace-Lorraine, Polish Corridor, overseas colonies) and military restrictions left Germans resentful and desirous of reversing the settlement.

Failure of the League of Nations:

  • The USA never joined, depriving the League of its most powerful potential member.
  • The League had no armed forces and relied on collective security, which failed repeatedly — Manchuria (1931), Abyssinia (1935).
  • Appeasement by Britain and France encouraged aggression rather than deterring it.

Rise of Totalitarianism:

  • Economic hardship and national humiliation fuelled the rise of Fascism in Italy (Mussolini, 1922) and Nazism in Germany (Hitler, 1933).
  • These regimes were openly revisionist — determined to overturn the Versailles settlement.

Unresolved Territorial Issues:

  • The Polish Corridor separated East Prussia from Germany, a constant grievance.
  • New nations like Czechoslovakia had large German minorities (Sudetenland), which Hitler exploited.
  • Mandates in the Middle East created artificial borders and lasting conflicts.

Economic Instability:

  • War debts and reparations created a fragile financial system.
  • The Great Depression (1929) devastated economies worldwide, making extremist ideologies attractive.
Q3. Describe the formation, objectives, and weaknesses of the League of Nations.
Answer

Formation: The League of Nations was established on 10 January 1920 as part of the Treaty of Versailles, based on President Woodrow Wilson's Fourteenth Point. Its headquarters were in Geneva, Switzerland.

Objectives: 1. Prevent war through collective security and disarmament 2. Settle international disputes through negotiation and arbitration 3. Improve global welfare — labour conditions, health, disease control 4. Supervise the mandate system for former colonies 5. Promote international cooperation

Structure:

  • Assembly: All member states met annually; each had one vote.
  • Council: Executive body with 4 permanent members (Britain, France, Italy, Japan) and rotating non-permanent members.
  • Secretariat: Administrative body headed by a Secretary-General.
  • Permanent Court of International Justice: Settled legal disputes between nations.
  • International Labour Organisation (ILO): Addressed labour rights and conditions.

Weaknesses: 1. No USA: America never joined, depriving the League of its most powerful member and undermining its credibility. 2. No armed forces: The League had no military force; it relied on member states to enforce decisions. 3. Unanimity requirement: The Assembly and Council required unanimous decisions, making action nearly impossible. 4. Failed to prevent aggression: Japan in Manchuria (1931), Italy in Abyssinia (1935) — the League could not stop major powers. 5. Excluded major nations: Germany was initially excluded; the USSR joined only in 1934; the USA never joined. 6. Appeasement: Britain and France were often unwilling to take strong action against aggressors, preferring compromise.

Q4. Compare the effects of WWI on the European and colonial worlds.
Answer
AspectEuropeColonial World
PoliticalFour empires collapsed; new nations created; republics replaced monarchiesColonies provided soldiers and resources but were denied self-government; mandate system replaced one colonial master with another
EconomicMassive war debts; hyperinflation in Germany; industrial destruction in France and BelgiumInflation and taxation increased; raw materials extracted at low prices; some industrial growth (India) but profits went to colonial powers
Social10 million military dead; millions wounded; women entered workforce; class tensionsOver 1 million colonial soldiers served; exposure to democratic ideas politicised veterans; 1918 influenza killed 12–17 million in India alone
IdeologicalRise of communism (Russia), fascism (Italy), and Nazism (Germany); disillusionment with liberal democracyNationalist movements gained momentum; colonial peoples demanded self-determination applying Wilson's principles to themselves
InternationalLeague of Nations created; US isolationism; fragile peace based on VersaillesMandate system replaced formal colonies; no self-determination for colonial peoples despite Wilson's promises
Q5. Explain the economic consequences of World War I with special reference to Germany.
Answer

Global Economic Impact:

  • The total cost of WWI was approximately $338 billion (1918 values).
  • European nations accumulated massive debts, mainly to the USA, which emerged as the world's leading creditor.
  • International trade was severely disrupted; pre-war trade patterns took years to recover.
  • The gold standard was abandoned by most nations, creating currency instability.

Impact on Germany: 1. Reparations: Germany was required to pay £6.6 billion in reparations — an enormous sum that its war-devastated economy could not sustain. 2. Hyperinflation (1923): Germany printed money to pay reparations and meet domestic obligations, causing devastating hyperinflation. By November 1923, one US dollar equalled 4.2 trillion marks. Savings were wiped out overnight; a loaf of bread cost billions of marks. 3. Loss of Industrial Resources: The Saar coal mines were given to France for 15 years; Upper Silesian mineral resources were lost to Poland. These were among Germany's most productive industrial areas. 4. Loss of Merchant Fleet and Colonies: Germany lost its overseas colonies (source of raw materials) and most of its merchant shipping fleet. 5. Dawes Plan (1924) and Young Plan (1929): American loans temporarily stabilised the German economy, but the Great Depression caused these loans to be withdrawn, leading to economic collapse and the rise of Nazism.


Common Mistakes

1. Confusing the Armistice (November 1918) with the Treaty of Versailles (June 1919) — The Armistice was a ceasefire; the Treaty of Versailles was the formal peace settlement. 2. Saying the USA was a League member — The USA never joined the League of Nations despite Wilson being its chief architect. 3. Equating the mandate system with independence — Mandates were not independent states; they were colonies under a different name, administered by Britain and France. 4. Confusing the Treaties: Versailles (Germany), Saint-Germain (Austria), Trianon (Hungary), Neuilly (Bulgaria), Sevres/Lausanne (Turkey) — each dealt with a different Central Power. 5. Forgetting that the War Guilt Clause (Article 231) was the basis for reparations — The clause wasn't just symbolic; it provided the legal justification for demanding financial compensation. 6. Attributing all new nations to Versailles alone — Some new nations (Finland, Baltic states) emerged from the Russian Empire, not from the Versailles settlement.


Exam Checklist

  • [ ] Treaty of Versailles: date (28 June 1919), key provisions, war guilt clause (Article 231), reparations amount
  • [ ] Four empires that collapsed: Russian, German, Austro-Hungarian, Ottoman
  • [ ] New nations created: Poland, Czechoslovakia, Yugoslavia, Finland, Estonia, Latvia, Lithuania
  • [ ] League of Nations: formation (1920), structure (Assembly, Council, Secretariat), weaknesses (no USA, no armed forces, unanimity requirement)
  • [ ] Big Three leaders and their aims: Wilson (peace/reconciliation), Clemenceau (punish Germany), Lloyd George (balance)
  • [ ] Mandate system: Class A, B, C mandates — why it was essentially colonialism
  • [ ] Seeds of WWII: Versailles humiliation, economic instability, League failures, rise of totalitarianism
  • [ ] Economic consequences: war debts, hyperinflation, German reparations, US economic dominance
  • [ ] Separate peace treaties: Saint-Germain, Trianon, Neuilly, Sevres — know which country each dealt with
  • [ ] Russian Revolution connection: WWI triggered it; Treaty of Brest-Litovsk (March 1918)

Frequently Asked Questions

WWI ended four major empires (Ottoman, Austro-Hungarian, Russian, German), caused 10 million military deaths, redrew Europe's map creating new nations, imposed harsh reparations on Germany through the Treaty of Versailles, created the League of Nations, and sowed the seeds of World War II through unresolved grievances.
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