CBSE Class 10 Social Science Study Materials

Q1. How did the French Revolution of 1789 give birth to the idea of a modern French nation-state?

(a) End of Absolute Monarchy

Before 1789, France was ruled by an absolute monarch, and people were subjects with few rights.
The Revolution overthrew this system and introduced a constitutional form of government.

(b) Sovereignty of the People

Revolutionaries declared that sovereignty lay with the nation, i.e., the people, and not with the king.
The idea of a “nation of citizens” replaced the old idea of a kingdom ruled by a dynasty.

(c) Equality and Citizenship

Feudal privileges of the nobility and clergy were abolished.
All citizens were declared equal before the law and given certain fundamental rights.
This created a new sense of belonging and common identity among the people.

(d) Common Laws and Institutions

A constitution, elected assembly, and uniform laws were introduced.
These institutions applied to all citizens, binding them into a single political unit – the French nation.

(e) Inspiration to Europe

The French model showed that a nation could be formed on the basis of equality, rights and popular sovereignty.
This inspired similar nationalist movements across Europe in the nineteenth century.

Q2. Describe the measures taken by the French revolutionaries to create a sense of collective identity among the French people.

(a) New National Symbols

The tricolour flag replaced the royal standard.
The song “La Marseillaise” was adopted as the national anthem.
Emblems and slogans representing liberty and the republic were widely used.

(b) Political Practices

Citizens took oaths of loyalty to the nation and the constitution.
National festivals and civic ceremonies were organised to celebrate the nation.

(c) Uniform Laws and Administration

Internal customs duties were abolished to unify the market.
A uniform system of weights and measures was introduced.
Common laws and centralised administration created a more integrated state.

(d) Promotion of a Common Language

French was promoted as the national language in place of local dialects.
This encouraged people from different regions to feel part of one French community.

(e) Impact

These measures transformed a population divided by estates and regions into citizens of a nation.
They provided a model for later European nationalists to follow in their own regions.

Q3. “Liberty, equality and fraternity became the guiding principles of the French nation.” Explain this statement.

(a) Liberty

Liberty meant freedom from absolute rule, arbitrary arrests and censorship.
The Revolution guaranteed freedom of speech, expression and opinion (though with limitations in practice).

(b) Equality

Equality demanded an end to privileges based on birth and estate.
Feudal dues, serfdom and special rights of the nobility and clergy were abolished.
All citizens were to be equal before the law, regardless of their social background.

(c) Fraternity

Fraternity promoted brotherhood and solidarity among citizens.
It encouraged people to see themselves not as separate estates, but as members of a single national community.

(d) Influence on Nation-Building

These principles were written into the constitution and shaped institutions and policies.
They inspired national symbols, festivals and political culture in France.

(e) Impact on Europe

The ideals of liberty, equality and fraternity travelled beyond France via revolutionaries and soldiers.
They became the foundation of nationalist and democratic movements in other European countries.

Q4. Examine the dual impact of Napoleon’s rule on Europe in spreading and limiting the ideas of the French Revolution.

(a) Spread of Revolutionary Reforms

Napoleon codified laws into the Napoleonic Civil Code (1804), which upheld equality before law and the right to property.
He abolished feudal privileges in many territories and introduced efficient administrative systems.
Uniform weights and measures, better roads and modern tax systems encouraged trade and a sense of order.

(b) Extension of the French Model

Reforms introduced in the Netherlands, Italy, Switzerland and German states helped modernise these regions.
Many people initially welcomed French armies as bearers of modernity.

(c) Limitations and Contradictions

Napoleon established a strong personal empire and often ruled in an authoritarian manner.
Heavy taxation, conscription into the French army and lack of political freedom caused resentment.

(d) Growth of Anti-French Nationalism

People in conquered regions began to view the French as foreign oppressors.
This resentment transformed into local nationalist movements seeking independence from French domination.

(e) Overall Effect

Thus, Napoleon both spread revolutionary principles through reforms and triggered nationalist reactions by his imperial ambitions.
His rule indirectly strengthened nationalism in Europe, even where he was eventually defeated.

Q5. How did the French Revolution transform ordinary people from “subjects” into “citizens” of a nation? Explain.

(a) Change in Political Status

Earlier, people were subjects of a king with limited or no political rights.
After the Revolution, they were recognised as citizens with defined rights and duties.

(b) Constitutional Rights

The constitution guaranteed fundamental rights like equality before the law, freedom of speech and protection of property.
Citizens could demand that the state respect their rights.

(c) Participation in Governance

Elected bodies and assemblies allowed citizens to take part in decision-making, directly or through representatives.
This involvement created a sense of responsibility towards the nation.

(d) Common Laws and Duties

Citizens were bound by common laws applicable to all.
They had duties such as paying taxes, serving in the army and obeying laws, which further tied them to the nation-state.

(e) Sense of Belonging

Shared symbols, festivals and political culture fostered pride in being a French citizen.
Thus, political, legal and cultural changes together turned subjects into conscious citizens of a modern nation-state.

Q6. In what ways did the ideas of the French Revolution influence nationalist movements in other parts of Europe?

(a) Ideals of Popular Sovereignty

The notion that sovereignty resides with the people, not kings, inspired liberals across Europe.
It encouraged demands for constitutional governments and elected assemblies.

(b) Equality and Rights

The abolition of feudalism in France motivated peasants and middle classes elsewhere to seek similar reforms.
Ideas of equality before law and civil rights became central to nationalist programmes.

(c) Use of Symbols and Culture

Other nationalists adopted flags, anthems and festivals to symbolise their own nations.
They realised the importance of shared culture in building a national community.

(d) Model of a Nation-State

France showed that a people could overthrow dynastic rule and form a nation-state.
This example encouraged Germans, Italians, Poles and others to imagine similar transformations.

(e) Spread Through Armies and Refugees

French armies, revolutionary leaders and political refugees carried these ideas across borders.
Thus, the French Revolution became a key reference point for almost all nineteenth-century nationalist movements in Europe.

Q7. Describe the political and social conditions of the Habsburg Empire and explain why they posed a challenge to the rise of nationalism.

(a) Multi-national Composition

The Habsburg Empire included regions like Austria, Hungary, Bohemia, Lombardy and Galicia.
Its population was made up of Germans, Hungarians, Czechs, Slovaks, Poles, Italians, Ukrainians and others.

(b) Lack of a Common Identity

These groups spoke different languages and followed different cultures.
They did not share a single national identity; instead, loyalties were regional or ethnic.

(c) Dynastic Rule

The empire was ruled by the Habsburg dynasty, with power concentrated in the hands of the emperor and his officials.
There was little scope for popular participation in governance.

(d) Unequal Social and Economic Development

Some regions were more industrially developed, while others were largely agrarian.
This created economic imbalances and tensions between different areas and communities.

(e) Challenge to Nationalism

Since the empire was held together by dynastic authority, not by a shared national feeling, nationalism developed in opposition to it.
Various ethnic groups aspired to create their own nation-states, making the Habsburg Empire a central arena of nationalist struggles.

Q8. Who were the liberal nationalists in Europe? Discuss their main beliefs and demands in the early nineteenth century.

(a) Who Were Liberal Nationalists?

They were mainly educated middle-class men—professionals, businessmen and intellectuals.
They believed in both nationalism and liberalism (individual rights and constitutional government).

(b) Political Beliefs

Government should be based on the consent of the governed, not on divine right.
There should be constitutions, elected parliaments and independent judiciary.

(c) Civil Rights

They demanded freedom of speech, expression and press.
Equality before law and protection of private property were central to their programme.

(d) Economic Demands

They supported the creation of unified national markets without internal customs duties.
They wanted a single currency and uniform weights and measures to promote trade and industry.

(e) Limitations

Most liberals believed that only propertied men should have the right to vote.
Women and poorer sections were kept out of political rights, showing the incomplete nature of their liberalism.

Q9. Explain the role of the Zollverein in unifying Germany economically and in strengthening German nationalism.

(a) Formation of the Zollverein

The Zollverein was a customs union formed in 1834 under the leadership of Prussia.
Many German states joined it over time.

(b) Removal of Trade Barriers

Internal customs duties between member states were abolished.
This made the movement of goods easier and cheaper.

(c) Economic Integration

The Zollverein introduced a uniform currency and standardised weights and measures.
Industrialisation and large-scale trade grew due to an integrated market.

(d) Promotion of Nationalist Feelings

Economic cooperation made people realise the advantages of unity.
A sense of economic interdependence developed among German states, supporting the idea of political unification.

(e) Foundation for Political Unification

By strengthening Prussia and creating a common economic space, the Zollverein laid the groundwork for German unification under Prussian leadership.

Q10. How did romanticism and folk culture contribute to the development of nationalist sentiments in Europe?

(a) Romanticism as a Cultural Movement

Romanticism was a literary and artistic movement that emphasised emotions, imagination and nature.
It reacted against cold, rational Enlightenment ideas and celebrated cultural uniqueness.

(b) Focus on Folk Traditions

Romantic artists and poets turned to folk songs, legends and local traditions.
They believed that the true spirit of a nation lay in its folk culture.

(c) Example: Grimm Brothers

In Germany, Grimm Brothers collected and published folk tales.
Their work helped Germans feel proud of their shared cultural past and identity.

(d) Language and National Identity

Use of vernacular languages in poetry and literature made nationalist ideas accessible to common people.
Language thus became a powerful symbol of national unity and resistance to foreign domination.

(e) Overall Contribution

Romanticism and folk culture transformed nationalism into an emotional attachment to a shared culture.
This cultural nationalism strengthened political demands for nation-states in many parts of Europe.

Q11. Compare the ideas of nationalism held by liberal nationalists with those held by socially excluded groups like peasants and workers.

(a) Liberal Nationalists

They focused on constitutional government, civil liberties and national unification.
They emphasised property rights and the interests of the middle classes.

(b) Peasants and Workers

They were more concerned about economic issues like feudal dues, taxes, wages and working conditions.
They wanted an end to serfdom, reduction of land rents and improved living standards.

(c) Differences in Priorities

For liberals, the main goal was a nation-state with a constitution.
For peasants and workers, nationalism was meaningful only if it brought social and economic justice.

(d) Political Exclusion

Liberals often denied voting rights to the poor and women, leaving them politically marginal.
This created tensions within nationalist movements and limited their unity.

(e) Overall Impact

Despite differences, the participation of peasants and workers broadened the social base of nationalism.
Over time, nationalist movements had to address social questions more seriously to gain mass support.

Q12. How did ideas of liberalism and economic freedom shape the demands of European nationalists in the nineteenth century?

(a) Liberalism and Individual Rights

Liberals believed in individual rights such as freedom of speech, press and religion.
They demanded constitutional governments and the rule of law.

(b) Economic Freedom

Economic liberalism favoured free trade and opposed state-imposed restrictions.
Industrialists and traders wanted a unified national market with no internal customs barriers.

(c) National Unification

To achieve economic freedom, liberal nationalists demanded the unification of small states into larger nation-states (e.g., Germany and Italy).
This would ensure a common currency, uniform laws and integrated markets.

(d) Political Demands

They sought representative assemblies to make tax and trade policies.
They opposed absolute monarchies that blocked economic reforms.

(e) Influence on Nationalist Movements

Liberal and economic ideas became central to nationalist programmes and shaped key events like the 1848 revolutions.
Thus, nationalism in nineteenth-century Europe was closely linked with the demand for both political and economic liberalism.

Q13. Analyse the causes and outcomes of the July Revolution of 1830 in France.

(a) Causes

The restored Bourbon monarchy ignored the liberal constitution and tried to rule in a repressive manner.
Restrictions on the press and political activities angered liberals and the educated middle classes.
Economic hardship among workers added to unrest.

(b) The July Revolution

In July 1830, protests and demonstrations broke out in Paris.
People erected barricades, and after a short struggle the Bourbon king was overthrown.

(c) Outcomes

Louis Philippe, a constitutional monarch, was installed as the new king.
A new liberal monarchy promised to respect the charter of 1814 and give more power to the middle classes.

(d) Impact on Europe

The revolution inspired uprisings in Belgium and Poland, where nationalists demanded independence.
It showed that popular protest could successfully challenge conservative regimes.

Q14. Why is the year 1848 called the “year of revolutions” in Europe? Discuss its main features.

(a) Widespread Uprisings

In 1848, revolutionary movements erupted in France, German states, the Austrian Empire and parts of Italy.
These movements were led by liberal nationalists and in some places supported by workers and peasants.

(b) Common Demands

Introduction of constitutions and elected parliaments.
Extension of voting rights and civil liberties.
National unification or independence from foreign rule.

(c) The Frankfurt Parliament

In Germany, elected representatives met in Frankfurt to draft a constitution for a unified Germany.
They offered the crown of a united Germany to the Prussian king, who rejected it.

(d) Participation of Social Groups

Women, workers and peasants participated in demonstrations, though their demands often differed from those of liberals.
Women demanded the right to vote but were denied suffrage.

(e) Overall Significance

Although most revolutions were eventually suppressed, 1848 proved that nationalism and liberalism were powerful forces.
Rulers had to introduce some reforms and could no longer ignore demands for constitutions and rights.

Q15. Examine the main reasons for the failure of the Frankfurt Parliament in unifying Germany.

(a) Opposition from the Monarchy and Aristocracy

The Prussian king and other German princes opposed the loss of their powers.
They refused to accept a constitution framed by an elected assembly.

(b) Weak Social Base

The Parliament was dominated by middle-class professionals and businessmen.
It lacked strong support from peasants and workers, whose economic demands were often neglected.

(c) Divisions within the Assembly

Members were divided over questions such as the inclusion of Austria and the nature of the monarchy.
These divisions weakened their ability to act decisively.

(d) Repression by the Old Regime

As the movement lost momentum, the army and conservative forces regained control.
The Parliament was forcibly disbanded, and many leaders were arrested or exiled.

(e) Significance

The failure showed that liberal initiatives alone were insufficient.
Later, German unification was achieved from above by Prussia through “blood and iron”, rather than through a liberal parliament.

Q16. How did the revolutions of 1848 raise the question of women’s political rights in Europe?

(a) Active Participation of Women

Women from middle-class families formed political associations.
They attended public meetings, organised demonstrations and took part in revolutionary activities.

(b) Demand for Suffrage

Women demanded the right to vote and to be elected to legislative bodies.
They argued that the principles of liberty and equality should apply to them as well.

(c) Response of Liberal Nationalists

Despite women’s contributions, liberal leaders largely ignored their demands.
The Frankfurt Parliament, for example, denied women voting rights.

(d) Long-Term Impact

The exclusion of women highlighted the limitations of nineteenth-century liberalism.
Women’s struggles during 1848 laid the foundation for later movements for women’s suffrage in Europe.

(e) Historical Significance

Thus, the revolutions of 1848 not only raised national and social questions but also the issue of gender equality in politics.

Q17. “The revolutions of 1830 and 1848 did not succeed immediately, yet they were important.” Justify this statement.

(a) Immediate Failures

Many revolutions were crushed by armies loyal to conservative monarchies.
Old rulers often returned to power, and many reforms were reversed.

(b) Spread of Nationalist and Liberal Ideas

These revolutions spread the ideas of nationalism, constitutionalism and civil rights across Europe.
Even where they failed, they increased political awareness among ordinary people.

(c) Pressure on Rulers

Rulers realised they could not govern permanently without concessions.
Constitutions, elected assemblies and some extension of suffrage were gradually introduced.

(d) Preparation for Later Unifications

The revolutions highlighted the desire for national unification in Germany and Italy.
Later leaders like Bismarck and Cavour drew lessons from these events and pursued unification through diplomacy and wars.

(e) Long-Term Legacy

Thus, though unsuccessful in the short term, the revolutions of 1830 and 1848 played a crucial role in shaping nineteenth-century Europe.
They ensured that nationalism and liberalism remained central issues in European politics.

Q18. Describe the process of German unification under the leadership of Bismarck.

(a) Background

Germany consisted of many small states loosely united in the German Confederation.
The liberal attempt to unify Germany through the Frankfurt Parliament failed in 1848.

(b) Role of Prussia

Prussia was the most powerful German state with a strong army and efficient bureaucracy.
It took the lead in unification under its king and chief minister Otto von Bismarck.

(c) Policy of “Blood and Iron”

Bismarck believed that unification would be achieved not by speeches, but by “blood and iron” (wars and military strength).

(d) Three Wars

Danish War (1864): Prussia and Austria defeated Denmark and took over Schleswig and Holstein.
Austro-Prussian War (1866): Prussia defeated Austria, excluded it from German affairs and annexed several northern states.
Franco-Prussian War (1870–71): Victory against France united southern states with Prussia due to a wave of nationalism.

(e) Proclamation of the German Empire

In 1871, the Prussian king, William I, was proclaimed German Emperor at Versailles.
A strong, centralised and conservative German Empire emerged, dominated by Prussia.

Q19. “The unification of Germany was a victory for conservative forces.” Explain.

(a) Failure of Liberal Efforts

The Frankfurt Parliament, which represented liberal nationalists, failed to unify Germany in 1848–49.
Its constitution was rejected by the Prussian king and other monarchs.

(b) Role of the Monarchy and Army

Unification eventually came through the Prussian monarchy and its powerful army.
Bismarck, a conservative statesman, used wars and diplomacy instead of democratic processes.

(c) Limited Democracy

Though the German Empire had a parliament, real power remained with the Emperor and the Chancellor.
Traditional elites such as the Junkers (Prussian landlords) retained significant influence.

(d) Conservative Use of Nationalism

Nationalism was used to strengthen the conservative monarchy rather than to create a liberal republic.
It helped build support for militarism and expansionist policies.

(e) Conclusion

Thus, the unification of Germany represented a victory of conservative forces that harnessed nationalism to maintain their own power and authority.

Q20. Discuss the main stages in the unification of Italy and the role played by Mazzini, Cavour and Garibaldi.

(a) Italy Before Unification

Italy was divided into several states—some under Austrian control, others under the Pope or local rulers.
Only Piedmont-Sardinia was an independent kingdom.

(b) Role of Mazzini – The “Soul”

Giuseppe Mazzini founded secret societies like Young Italy.
He popularised the idea of a united, republican Italy and inspired youth with his writings.

(c) Role of Cavour – The “Brain”

Count Camillo de Cavour, prime minister of Piedmont-Sardinia, pursued unification through diplomacy.
He modernised the economy, strengthened the army and formed an alliance with France.
In 1859, he defeated Austria and annexed Lombardy and other northern states to Piedmont.

(d) Role of Garibaldi – The “Sword”

Giuseppe Garibaldi led a volunteer army called the Red Shirts.
In 1860, he liberated Sicily and southern Italy from Bourbon rule.
He then handed over these territories to King Victor Emmanuel II, supporting unification under a monarchy.

(e) Completion of Unification

By 1861, most of Italy was united, and Victor Emmanuel II was proclaimed king of Italy.
Rome was added in 1870, completing the unification with Rome as the capital.

Q21. Compare the processes of German and Italian unification with reference to leadership, methods and outcomes.

(a) Leadership

Germany: Led by Prussia under King William I and his chancellor Bismarck.
Italy: Led by the kingdom of Piedmont-Sardinia under Victor Emmanuel II and Cavour, with important contributions from Mazzini and Garibaldi.

(b) Methods

Germany: Unification through “blood and iron” – a series of wars against Denmark, Austria and France.
Italy: Combination of diplomacy (Cavour’s alliances), wars against Austria, and Garibaldi’s revolutionary campaigns in the south.

(c) Role of Popular Movements

In both countries, earlier liberal revolts (e.g., 1848) failed but raised nationalist consciousness.
Mass participation was overshadowed later by monarchical and military initiatives.

(d) Outcomes

Both unifications resulted in conservative monarchies, not liberal republics.
In Germany, Prussia dominated the new empire; in Italy, the north remained more powerful than the south.

(e) Common Features

Nationalism was used by ruling elites to strengthen their states.
In both cases, unification led to powerful nation-states that later played major roles in European politics.

Q22. “Italy was unified not as a liberal republic, but as a conservative monarchy.” Explain this statement.

(a) Early Republican Vision

Mazzini and other revolutionaries initially imagined a united, democratic and republican Italy.
They opposed monarchical and foreign rule and wanted popular sovereignty.

(b) Failure of Republican Uprisings

Revolts led by Mazzini and others were often crushed by Austrian forces and conservative rulers.
This weakened the republican option.

(c) Piedmont-Sardinia’s Leadership

Unification was achieved under the monarchy of Piedmont-Sardinia.
Cavour and King Victor Emmanuel II used diplomacy and wars to expand their kingdom.

(d) Role of Garibaldi

Even Garibaldi, a republican, ultimately handed over his conquests to the king.
This showed that practical politics favoured monarchical unification.

(e) Final Outcome

In 1861, Victor Emmanuel II was proclaimed king of a united Italy.
Thus, Italy emerged as a conservative constitutional monarchy, not as the democratic republic envisioned by earlier radicals.

Q23. How were nations personified as female figures in nineteenth-century Europe? Explain with reference to Marianne and Germania.

(a) Need for Personification

The nation is an abstract idea; artists personified it as a female figure (allegory) to make it easier to understand and emotionally connect with.

(b) Marianne – The French Nation

Marianne symbolised the French nation and the ideals of the Revolution.
She was often shown wearing the red cap of liberty, the tricolour cockade and holding the national flag.
Her images appeared on coins, stamps and statues in public squares, constantly reminding citizens of national values.

(c) Germania – The German Nation

Germania represented the German nation and its unity.
She was depicted as a robust woman wearing a crown of oak leaves, symbolising heroism and strength.
She sometimes carried a sword and the black-red-gold German flag.

(d) Role of Allegories

These female allegories gave a human form to the nation and inspired patriotic feelings.
They were used in posters, paintings and monuments, making nationalist ideas visible and popular.

(e) Overall Importance

Personifications like Marianne and Germania helped create emotional attachment to the nation.
They played a vital role in spreading nationalism at a time when many people were illiterate and responded strongly to visual symbols.

Q24. Apart from female allegories, what other visual symbols were used to express nationalist ideas in Europe?

(a) National Flags

Unique flags with specific colours and designs represented each nation (e.g., French tricolour, German black-red-gold).
Flags were displayed during festivals, rallies and battles, symbolising unity and pride.

(b) National Anthems

Songs like La Marseillaise in France became national anthems.
They were sung at public events to evoke patriotic feelings and a shared national identity.

(c) Monuments and Statues

Statues of national heroes and memorials to revolutionary events reminded people of their common past.
They served as permanent markers of national struggles and achievements.

(d) Maps and Textbooks

Maps showing the outline of the nation familiarised people with its territory and boundaries.
School textbooks taught a shared national history, heroes and values.

(e) Everyday Objects

Coins, stamps and official seals carried national symbols and slogans.
These everyday objects constantly reminded citizens of their national identity.

Q25. Why did the Balkan region become a source of intense nationalist tension in Europe?

(a) Geographical and Ethnic Diversity

The Balkans included present-day Greece, Albania, Bulgaria, Romania, Turkey and surrounding areas.
It was inhabited by numerous Slavic and other ethnic groups with distinct languages and histories.

(b) Decline of the Ottoman Empire

Much of the region was under Ottoman rule, which was weakening in the nineteenth century.
As the empire declined, various groups tried to break away and form independent nation-states.

(c) Competing National Aspirations

Each group (Serbs, Bulgarians, Greeks, etc.) claimed the right to rule over the region, often with overlapping claims.
This led to conflicts as they tried to enlarge their territories at each other’s expense.

(d) Involvement of Big Powers

Big powers like Russia, Austria-Hungary, Germany and Britain had strategic interests in the Balkans.
They supported different nationalist groups to increase their own influence, further intensifying tensions.

(e) Resulting Tensions

The Balkans became known as the “powder keg of Europe”, where any small incident could trigger a major conflict.
Ultimately, disputes in this region contributed directly to the outbreak of the First World War in 1914.

Q26. How did nationalism, which started as a force for unification and liberty, turn into a cause of conflict and war in Europe?

(a) Early Liberal Nationalism

Initially, nationalism aimed to end dynastic rule and foreign domination.
It promoted liberal ideals like constitutionalism, civil rights and representative government.

(b) Shift towards Aggressive Nationalism

By the late nineteenth century, nationalism began to emphasise national superiority and prestige.
States used nationalist slogans to justify expansion and militarism.

(c) Rivalries and Arms Race

Industrialised powers like Germany and Britain competed for markets and colonies.
They built large armies and navies, turning Europe into an armed camp.

(d) Conflicts over Territories

Regions like the Balkans became battlegrounds for conflicting nationalist claims.
Minor incidents could easily escalate due to alliance systems and mutual suspicion.

(e) Outcome

Nationalist rivalries culminated in the First World War, showing that nationalism could be both a liberating and a destructive force.

Q27. Explain how the First World War was closely connected with the developments in the Balkans.

(a) Nationalist Aspirations in the Balkans

Various Balkan nationalities sought independence from the Ottoman and Austro-Hungarian Empires.
They wanted to create or expand their own nation-states.

(b) Interference of Great Powers

Russia supported Slavic nationalists like the Serbs.
Austria-Hungary wanted to control and expand in the region; Germany backed Austria, while Britain and France had their own interests.

(c) Series of Balkan Wars

Between 1912 and 1913, several Balkan wars took place.
Territorial disputes and shifting alliances kept the region unstable.

(d) Immediate Cause of World War I

In 1914, Archduke Franz Ferdinand of Austria was assassinated in Sarajevo by a Bosnian Serb nationalist.
Austria, supported by Germany, declared war on Serbia; Russia backed Serbia, and the alliance system drew all major powers into the conflict.