Modern Indian History · UPSC Notes

    World History (Mains GS I) — UPSC Modern History Notes

    Free, exam-focused notes for UPSC Prelims and Mains, with Prelims tips and Mains points for every topic. 8 topics.

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    The Industrial Revolution: Causes, Spread and Impact

    The Industrial Revolution began in Britain in the late 18th century and transformed production from hand tools and home workshops to machines, factories and steam power. It spread to Europe, the USA and Japan, created modern capitalism and the working class, and drove colonial expansion in search of raw materials and markets—while de-industrialising economies like India.

    1. Why Britain First

    Capital: Profits from trade, slavery and colonies; developed banking.

    Resources: Abundant coal and iron ore located close together.

    Agricultural Revolution: Enclosures and new farming methods raised food output and pushed labour to towns.

    Markets: Large colonial empire and naval power for raw materials (cotton) and markets.

    Political stability after 1688, property rights, patent laws and a culture of scientific inquiry.

    2. Key Inventions

    Textiles: Flying shuttle (John Kay, 1733), spinning jenny (Hargreaves), water frame (Arkwright), spinning mule (Crompton), power loom (Cartwright).

    Power: Steam engine improved by James Watt (1769).

    Iron and transport: Coke smelting, railways (Stephenson's Rocket, 1829), steamships.

    3. Spread

    Belgium and France in the early 19th century; Germany and the USA after 1850 (Second Industrial Revolution—steel, chemicals, electricity, oil); Japan after the Meiji Restoration (1868); Russia late in the century.

    4. Social and Economic Impact

    Urbanisation with crowded slums, poor sanitation and disease.

    Working class: Long hours, child labour, low wages; rise of trade unions, Factory Acts and Chartism.

    New ideologies: Liberalism (laissez-faire, Adam Smith), socialism and Marxism as a critique.

    Middle class of industrialists and professionals gained political power.

    5. Global Impact

    Imperialism: Need for raw materials and markets drove colonisation of Asia and Africa.

    India: Machine-made British textiles destroyed Indian handicrafts; India became an exporter of raw cotton and importer of manufactures—the de-industrialisation highlighted by Dadabhai Naoroji's drain theory and R.C. Dutt.

    Environment: Beginning of large-scale fossil fuel use and rising carbon emissions—the origin of today's climate debate on historical responsibility.

    First vs Second Industrial Revolution
    FeatureFirst (c. 1760–1840)Second (c. 1870–1914)
    Leading countryBritainGermany, USA
    EnergyCoal, steamElectricity, oil
    Key industriesTextiles, ironSteel, chemicals, automobiles
    TransportRailways, canalsAutomobiles, steamships, early aviation

    Prelims tips

    • James Watt improved the steam engine in 1769.
    • The flying shuttle was invented by John Kay (1733).
    • Japan industrialised after the Meiji Restoration (1868).
    • Adam Smith's 'Wealth of Nations' (1776) argued for free markets.
    • Dadabhai Naoroji's 'Poverty and Un-British Rule in India' explained the drain of wealth.

    Mains points

    • The Industrial Revolution created unprecedented productivity but also exploitation, inequality and urban misery, giving rise to labour movements and welfare ideas.
    • Industrialisation and imperialism were linked: colonies supplied raw materials and markets.
    • India's de-industrialisation shaped early nationalist economic critique and the later swadeshi movement.
    • Historical emissions from industrialised countries underpin the principle of Common But Differentiated Responsibilities in climate negotiations.
    • Today's 'Fourth Industrial Revolution' (AI, automation) raises similar questions about jobs and inequality.

    Did you know?

    • The Luddites were English textile workers who smashed machines (1811–16) fearing job loss.
    • Dhaka muslin was once so fine it was called 'woven air' before the industry collapsed.
    • The unit of power, the watt, is named after James Watt.

    The American Revolution (1765–1783)

    The American Revolution was the revolt of 13 British colonies in North America against taxation and control by a Parliament in which they had no representation—'No taxation without representation'. It produced the Declaration of Independence (4 July 1776), the first modern republic and a written federal Constitution (1787) with a Bill of Rights, inspiring democratic and anti-colonial movements worldwide, including in India.

    1. Causes

    Mercantilism: Navigation Acts restricted colonial trade to benefit Britain.

    Seven Years' War (1756–63): Britain's war debt led it to tax the colonies.

    Taxes: Sugar Act (1764), Stamp Act (1765), Townshend Acts (1767), Tea Act (1773).

    Enlightenment ideas: John Locke's natural rights (life, liberty, property), consent of the governed; Thomas Paine's pamphlet 'Common Sense' (1776).

    Self-governing tradition: Colonial assemblies were used to managing their own affairs.

    2. Course of Events

    Boston Massacre (1770) and Boston Tea Party (1773); Britain responded with the 'Intolerable Acts' (1774).

    First Continental Congress (1774); fighting began at Lexington and Concord (1775); George Washington led the Continental Army.

    Declaration of Independence (1776), drafted mainly by Thomas Jefferson: 'all men are created equal' with unalienable rights.

    Saratoga (1777) brought French support; British surrender at Yorktown (1781); Treaty of Paris (1783) recognised US independence.

    3. Constitution-Making

    Weak Articles of Confederation replaced by the US Constitution (1787): federalism, separation of powers, checks and balances, an elected President.

    Bill of Rights (1791): First ten amendments guaranteeing freedoms of speech, religion, press, and due process.

    4. Limitations

    Slavery continued (abolished only after the Civil War, 13th Amendment, 1865); women and Native Americans were excluded from rights.

    5. Significance

    First successful colonial revolt; demonstrated republicanism and written constitutionalism.

    Inspired the French Revolution (French soldiers returned with revolutionary ideas; France's debt worsened) and Latin American independence movements.

    India: Ideas of fundamental rights, judicial review, independent judiciary and the Preamble's opening ('We the People') echo the US Constitution.

    Timeline of the American Revolution
    YearEvent
    1765Stamp Act
    1773Boston Tea Party
    1776Declaration of Independence
    1781British surrender at Yorktown
    1783Treaty of Paris
    1787US Constitution drafted

    Prelims tips

    • Slogan: 'No taxation without representation'.
    • Declaration of Independence: 4 July 1776, drafted mainly by Thomas Jefferson.
    • Thomas Paine wrote 'Common Sense' (1776).
    • Treaty of Paris (1783) ended the war.
    • The Bill of Rights (1791) consists of the first ten amendments.

    Mains points

    • The American Revolution was both an anti-colonial war and a political revolution that institutionalised Enlightenment ideas.
    • Its constitutional innovations—federalism, judicial review, a bill of rights—shaped later constitutions, including India's.
    • Its contradictions (slavery, exclusion of women and Native Americans) show the gap between universal ideals and practice.
    • It weakened Britain's first empire and shifted its imperial focus towards Asia, including India.
    • It directly contributed to the French Revolution through ideas and France's financial crisis.

    Did you know?

    • Lord Cornwallis, who surrendered at Yorktown in 1781, later became Governor-General of India and introduced the Permanent Settlement (1793).
    • The Boston Tea Party involved dumping 342 chests of East India Company tea into Boston Harbour.
    • Judicial review in the US was established by the case Marbury v. Madison (1803), not by the Constitution's text.

    The French Revolution (1789) and Its Legacy

    The French Revolution (1789) overthrew the absolute monarchy and the privileged Old Regime, proclaiming 'Liberty, Equality, Fraternity' and the Declaration of the Rights of Man and of the Citizen. It passed through radical phases (the Reign of Terror) and ended with Napoleon, but spread ideas of popular sovereignty, nationalism and secular citizenship across the world.

    1. Causes

    Social inequality: Society divided into three Estates—clergy (First), nobility (Second) and everyone else (Third, about 97%), who paid most taxes.

    Financial crisis: Debt from wars, including support for the American Revolution; extravagant court at Versailles.

    Economic hardship: Poor harvests and high bread prices in 1788–89.

    Enlightenment: Rousseau (general will, 'Social Contract'), Montesquieu (separation of powers), Voltaire (critique of Church and despotism).

    Rising bourgeoisie resented aristocratic privilege.

    2. Phases

    1789: Estates-General convened; the Third Estate formed the National Assembly (Tennis Court Oath); storming of the Bastille (14 July); abolition of feudal privileges; Declaration of the Rights of Man.

    1791: Constitutional monarchy.

    1792–94: France declared a republic; Louis XVI executed (1793); Jacobins under Robespierre led the Reign of Terror.

    1795–99: The Directory; instability.

    1799: Napoleon Bonaparte seized power; Napoleonic Code (1804) spread legal equality and property rights across conquered Europe.

    3. Achievements

    End of feudalism and absolute monarchy; principle of equality before law; secularisation (Church lands confiscated); metric system; abolition of slavery in colonies (1794, later reversed by Napoleon).

    4. Limitations

    Women were denied political rights (Olympe de Gouges wrote the Declaration of the Rights of Woman, 1791); violence of the Terror; replacement of one authoritarianism by another under Napoleon.

    5. Legacy

    Nationalism and the idea that sovereignty lies with the people; spread of liberal and democratic ideas; inspiration for later revolutions (1830, 1848).

    India: Tipu Sultan reportedly planted a 'Tree of Liberty' and joined the Jacobin club; the Preamble's ideals of liberty, equality and fraternity echo the Revolution; Raja Rammohan Roy welcomed its ideals.

    Phases of the French Revolution
    PeriodPhaseKey feature
    1789–91National/Constituent AssemblyRights of Man, end of feudal privileges
    1792–94Republic and TerrorExecution of Louis XVI, Jacobin rule
    1795–99DirectoryModerate, unstable government
    1799–1815Napoleonic eraNapoleonic Code, empire, wars

    Prelims tips

    • The Bastille was stormed on 14 July 1789 (French National Day).
    • Rousseau wrote 'The Social Contract' (1762).
    • Montesquieu's 'The Spirit of the Laws' advocated separation of powers.
    • The Reign of Terror was led by Robespierre and the Jacobins (1793–94).
    • Napoleonic Code was promulgated in 1804.

    Mains points

    • The Revolution marked the shift from subject to citizen and from divine right to popular sovereignty.
    • It showed both the emancipatory power and the dangers of revolutionary politics—ideals of liberty coexisted with mass violence.
    • Nationalism born in revolutionary France spread through Napoleonic wars and later shaped anti-colonial movements.
    • Its exclusion of women and reversal on slavery reveal the limits of universal rights in practice.
    • Indian constitutional values—equality before law, secular citizenship, fraternity—carry its intellectual legacy.

    Did you know?

    • The terms 'left' and 'right' in politics come from seating in the French National Assembly—radicals sat on the left, conservatives on the right.
    • The guillotine was promoted as a 'humane' method of execution during the Revolution.
    • The metric system, now used almost worldwide, was introduced by revolutionary France.

    World War I and the Inter-War Years (1914–1939)

    World War I (1914–18) grew out of militarism, alliances, imperialism and nationalism (MAIN), sparked by the assassination of Archduke Franz Ferdinand at Sarajevo. It destroyed four empires, led to the Russian Revolution and the League of Nations, and its harsh peace—the Treaty of Versailles (1919)—together with the Great Depression paved the way for fascism and World War II.

    1. Causes of World War I (MAIN)

    Militarism: Arms race, especially the Anglo-German naval race.

    Alliances: Triple Alliance (Germany, Austria-Hungary, Italy) vs Triple Entente (Britain, France, Russia).

    Imperialism: Rivalry over colonies (Moroccan crises).

    Nationalism: Pan-Slavism in the Balkans, French desire to recover Alsace-Lorraine.

    Immediate cause: Assassination of Archduke Franz Ferdinand by a Serbian nationalist at Sarajevo (28 June 1914).

    2. Course and Features

    Trench warfare on the Western Front; new weapons—machine guns, poison gas, tanks, submarines, aircraft.

    USA entered in 1917; Russia withdrew after the Bolshevik Revolution (Treaty of Brest-Litovsk, 1918).

    Armistice: 11 November 1918.

    3. Peace Settlement

    Treaty of Versailles (1919): Germany accepted war guilt (Article 231), paid reparations, lost territory and colonies, and was disarmed—resented as a 'dictated peace'.

    Collapse of the German, Austro-Hungarian, Ottoman and Russian empires; new nations in Europe; Arab lands became British and French mandates.

    League of Nations (1920): Based on Woodrow Wilson's Fourteen Points; weak because the USA never joined and it lacked enforcement power.

    4. Inter-War Period

    Russian Revolution (1917) created the first communist state.

    Great Depression (1929): Wall Street crash, mass unemployment, collapse of trade.

    Rise of fascism: Mussolini in Italy (1922), Hitler in Germany (1933); militarism in Japan.

    Failure of collective security: Japan's invasion of Manchuria (1931), Italy's invasion of Ethiopia (1935), German remilitarisation and appeasement (Munich Agreement, 1938).

    5. India and World War I

    Over a million Indian soldiers served abroad; heavy war loans and taxation, inflation and recruitment drives.

    Political effects: Home Rule Movements (1916), Lucknow Pact (1916), Montagu's Declaration (1917), and post-war disappointment leading to the Rowlatt Act protests and Gandhi's mass politics; the Khilafat issue arose from the Ottoman defeat.

    Alliances in World War I
    Central PowersAllied Powers
    GermanyBritain (with India and the Empire)
    Austria-HungaryFrance
    Ottoman EmpireRussia (until 1917)
    BulgariaItaly (from 1915), USA (from 1917), Japan

    Prelims tips

    • Franz Ferdinand was assassinated at Sarajevo on 28 June 1914.
    • Article 231 of the Treaty of Versailles is the 'war guilt' clause.
    • Italy left the Triple Alliance and joined the Allies in 1915.
    • The USA never joined the League of Nations.
    • The Munich Agreement (1938) is the classic example of appeasement.

    Mains points

    • World War I was the first 'total war', mobilising entire economies and societies, and ended the old European order.
    • The punitive Versailles settlement and the Great Depression created the conditions for fascism and another war.
    • The League's failure showed that collective security needs great-power commitment and enforcement.
    • For India, the war raised expectations of self-government; their disappointment transformed nationalism into a mass movement.
    • Post-war mandates and arbitrary borders in West Asia still shape conflicts in the region.

    Did you know?

    • India Gate in New Delhi commemorates Indian soldiers who died in World War I.
    • Khudadad Khan became the first Indian soldier to win the Victoria Cross (1914).
    • The 1918 influenza pandemic, spread partly by troop movements, killed millions in India.

    World War II (1939–1945): Causes, Course and Consequences

    World War II began with Germany's invasion of Poland (1 September 1939) and became the deadliest conflict in history, with the Holocaust and the first use of atomic bombs. It ended European dominance, created two superpowers—the USA and USSR—and the United Nations (1945), and hastened the decolonisation of Asia and Africa, including India's independence.

    1. Causes

    Treaty of Versailles resentment and German revanchism.

    Great Depression fuelling extremism.

    Fascist and militarist expansion: Nazi ideology of Lebensraum; Japan's expansion in China; Italy in Ethiopia.

    Failure of the League and the policy of appeasement (Munich, 1938).

    Nazi–Soviet Pact (August 1939) freed Hitler to attack Poland.

    2. Course

    1939–41: Blitzkrieg conquest of Poland, France (1940); Battle of Britain.

    1941: Germany invaded the USSR (Operation Barbarossa); Japan attacked Pearl Harbor (7 December), bringing the USA into the war.

    Turning points (1942–43): Midway (Pacific), El Alamein (North Africa), Stalingrad (Eastern Front).

    1944: D-Day landings in Normandy.

    1945: Germany surrendered (May); atomic bombs on Hiroshima and Nagasaki (August); Japan surrendered.

    3. Consequences

    Tens of millions of deaths, including six million Jews in the Holocaust.

    Bipolar world: USA and USSR emerged as superpowers, leading to the Cold War.

    United Nations (1945) with a Security Council; Bretton Woods institutions (IMF, World Bank).

    Universal Declaration of Human Rights (1948); Nuremberg and Tokyo war-crimes trials.

    Decolonisation: Weakened Britain and France could not hold their empires.

    Division of Germany and Korea; creation of Israel (1948).

    4. India and World War II

    Viceroy Linlithgow declared India at war without consulting Indians; Congress ministries resigned (1939).

    August Offer (1940), Individual Satyagraha (1940–41), Cripps Mission (1942), Quit India Movement (1942).

    Subhas Chandra Bose's Indian National Army fought with Japanese support; the INA trials (1945–46) stirred nationalism.

    Bengal Famine (1943), worsened by wartime policies, killed about three million people.

    Over two million Indians served in the British Indian Army—the largest volunteer army in history.

    Turning points of World War II
    Battle/eventYearSignificance
    Battle of Britain1940Germany failed to gain air superiority
    Pearl Harbor1941USA entered the war
    Midway1942Turned the Pacific war against Japan
    Stalingrad1942–43Major German defeat on the Eastern Front
    D-Day (Normandy)1944Opened the Western Front

    Prelims tips

    • WWII began with Germany's invasion of Poland on 1 September 1939.
    • Nazi–Soviet Non-Aggression Pact: August 1939.
    • Japan attacked Pearl Harbor on 7 December 1941.
    • UN Charter was signed at San Francisco in June 1945; UN came into existence on 24 October 1945.
    • The Cripps Mission came to India in March 1942.

    Mains points

    • WWII reshaped the international order: European empires declined and a bipolar Cold War system replaced the multipolar world.
    • The Holocaust and atomic bombings led to human-rights law, war-crimes tribunals and nuclear arms-control debates.
    • The war accelerated India's independence by weakening Britain economically and militarily and by intensifying nationalist pressure (Quit India, INA trials, naval mutiny).
    • The Bengal Famine exposed the human cost of colonial wartime priorities.
    • The UN system created after 1945 still reflects the power balance of that time, fuelling demands for Security Council reform.

    Did you know?

    • Indian troops fought in North Africa, Italy, Burma and South-East Asia; the Battles of Kohima and Imphal (1944) were among the war's hardest-fought.
    • Noor Inayat Khan, of Indian descent, was a British secret agent in occupied France and was posthumously awarded the George Cross.
    • India was a founding member of the United Nations in 1945, even before independence.

    Colonisation and Decolonisation

    From the 15th century, European powers built empires across the Americas, Asia and Africa—first through trade and settlement, then through industrial-age imperialism and the 'Scramble for Africa'. After World War II, nationalist movements, a weakened Europe and a changed international climate led to decolonisation: over 80 former colonies became independent, beginning with India (1947).

    1. Phases of Colonisation

    Mercantile phase (15th–18th century): Spanish and Portuguese conquests in the Americas; trading companies (Dutch, English, French East India Companies); Atlantic slave trade.

    Industrial imperialism (19th century): Need for raw materials, markets and investment outlets; steamships, railways, telegraph and medicine (quinine) enabled control of interiors.

    Scramble for Africa: The Berlin Conference (1884–85) divided Africa among European powers with arbitrary borders; by 1914 only Ethiopia and Liberia remained independent.

    Justifications: 'Civilising mission', 'White Man's Burden', Social Darwinism.

    2. Impact of Colonialism

    Economic drain and de-industrialisation; cash-crop economies; famines; arbitrary borders and divide-and-rule policies that fuelled later conflicts; but also introduction of railways, modern education and legal systems—often serving colonial interests.

    3. Causes of Decolonisation

    Nationalist movements (India's freedom struggle as a model).

    World War II weakened Britain, France and the Netherlands economically and militarily.

    Superpowers: USA and USSR opposed old-style colonialism for different reasons.

    United Nations: Principle of self-determination; UNGA Declaration on Granting Independence to Colonial Countries and Peoples (1960).

    4. Patterns

    Asia: India and Pakistan (1947), Burma and Sri Lanka (1948), Indonesia (1949, after armed struggle against the Dutch), Vietnam (French defeat at Dien Bien Phu, 1954).

    Africa: Ghana (1957, Kwame Nkrumah) first in sub-Saharan Africa; 'Year of Africa' 1960 with 17 new states; violent wars in Algeria (1954–62) and Kenya (Mau Mau); apartheid in South Africa ended in 1994.

    Peaceful vs violent: Negotiated transfer (India, Ghana) vs armed liberation (Algeria, Vietnam, Angola, Mozambique).

    5. India's Role

    Nehru championed anti-colonialism: Asian Relations Conference (1947), Bandung Conference (1955), Non-Aligned Movement (1961), support to African liberation and the anti-apartheid struggle; liberation of Goa (1961).

    6. Legacy

    Neo-colonialism: Economic dependence on former powers and multinational corporations; debt; border disputes and ethnic conflicts inherited from colonial maps; the Global South's demand for a fairer international order.

    Milestones of decolonisation
    YearEvent
    1947Independence of India and Pakistan
    1949Indonesia independent from the Netherlands
    1954French defeat at Dien Bien Phu
    1955Bandung Asian-African Conference
    1957Ghana independent
    1960'Year of Africa'; UN Declaration on decolonisation
    1994End of apartheid in South Africa

    Prelims tips

    • The Berlin Conference (1884–85) regulated European colonisation of Africa.
    • Ethiopia defeated Italy at Adwa (1896) and remained independent.
    • Ghana (1957) was the first sub-Saharan African colony to gain independence.
    • The Bandung Conference was held in Indonesia in 1955.
    • Goa was liberated from Portuguese rule in 1961.

    Mains points

    • Colonialism was driven by economic needs of industrial capitalism, enabled by technology and justified by racist ideologies.
    • Decolonisation resulted from the interplay of nationalist struggle, the weakening of Europe and a new international order based on self-determination.
    • India's non-violent, negotiated independence influenced other movements and made it a leader of the Global South.
    • Many post-colonial conflicts (Africa's borders, Kashmir, Palestine) trace back to colonial decisions.
    • Formal independence did not end economic dependence; debates on neo-colonialism and reform of global institutions continue.

    Did you know?

    • At its peak the British Empire covered about a quarter of the world's land—'the empire on which the sun never sets'.
    • Kwame Nkrumah of Ghana was deeply influenced by Gandhi's methods.
    • Nelson Mandela called Gandhi an inspiration and received the Gandhi Peace Prize (2000).

    The Cold War (1947–1991)

    The Cold War was a global rivalry between the USA-led capitalist bloc and the USSR-led communist bloc, fought through alliances, an arms race, proxy wars and ideology rather than direct war between the superpowers. It shaped decolonisation and world politics until the fall of the Berlin Wall (1989) and the collapse of the USSR (1991). India responded with non-alignment.

    1. Origins

    Ideological opposition (capitalism and liberal democracy vs communism); disputes over post-war Europe; Soviet control of Eastern Europe ('Iron Curtain', Churchill 1946).

    Truman Doctrine (1947)—containment of communism; Marshall Plan (1948)—economic aid to rebuild Western Europe.

    2. Alliances and Blocs

    NATO (1949) vs Warsaw Pact (1955); SEATO and CENTO in Asia (Pakistan joined both).

    Comecon for Soviet-bloc economic cooperation.

    3. Crises and Proxy Wars

    Berlin Blockade (1948–49) and the Berlin Wall (1961).

    Korean War (1950–53); Vietnam War (US involvement 1965–73).

    Cuban Missile Crisis (1962)—closest the world came to nuclear war.

    Soviet invasion of Afghanistan (1979–89), with US-backed mujahideen.

    Conflicts in Africa, Latin America and West Asia.

    4. Arms Race and Détente

    Nuclear arms race and space race (Sputnik 1957, Moon landing 1969); doctrine of Mutually Assured Destruction.

    Détente (1970s): Partial Test Ban Treaty (1963), NPT (1968), SALT agreements, Helsinki Accords (1975).

    5. End of the Cold War

    Gorbachev's reforms—glasnost (openness) and perestroika (restructuring); revolutions in Eastern Europe; fall of the Berlin Wall (November 1989); German reunification (1990); dissolution of the USSR (December 1991); emergence of a US-led unipolar moment.

    6. India and the Cold War

    Non-alignment: Nehru refused to join either bloc to preserve strategic autonomy and focus on development; founding member of NAM (Belgrade, 1961).

    Accepted aid from both blocs; tilted towards the USSR with the Indo-Soviet Treaty of Peace, Friendship and Cooperation (1971) amid the US–China–Pakistan alignment during the Bangladesh war.

    After 1991, India liberalised its economy and diversified partnerships, including closer ties with the USA.

    Cold War timeline
    YearEvent
    1947Truman Doctrine
    1949NATO formed; Chinese Revolution
    1955Warsaw Pact
    1961Berlin Wall built; NAM founded
    1962Cuban Missile Crisis
    1989Fall of the Berlin Wall
    1991Dissolution of the USSR

    Prelims tips

    • The first NAM summit was held at Belgrade in 1961.
    • Pakistan was a member of both SEATO and CENTO.
    • Indo-Soviet Treaty of Peace, Friendship and Cooperation: August 1971.
    • Glasnost and perestroika were Gorbachev's reform policies.
    • The Berlin Wall fell in November 1989.

    Mains points

    • The Cold War was 'cold' between superpowers but 'hot' in the Third World through proxy wars that devastated Korea, Vietnam, Afghanistan and parts of Africa.
    • Nuclear deterrence prevented direct war but created lasting risks and the arms-control regime.
    • Non-alignment let India preserve autonomy, attract aid from both sides and champion decolonisation, though it tilted when security demanded.
    • The end of the Cold War reshaped India's economic and foreign policy, leading to liberalisation and multi-alignment.
    • Today's US–China rivalry is often called a 'new Cold War', reviving debates on strategic autonomy.

    Did you know?

    • The term 'Cold War' was popularised by American journalist Walter Lippmann in 1947.
    • A US–Soviet 'hotline' was set up in 1963 after the Cuban Missile Crisis to prevent accidental war.
    • India's first satellite, Aryabhata (1975), was launched by a Soviet rocket.

    Political Philosophies: Liberalism, Socialism, Communism, Fascism and Capitalism

    The GS I syllabus asks for political philosophies like communism, capitalism and socialism—their forms and effect on society. These ideologies emerged in response to the Industrial and French Revolutions and shaped the 20th century: capitalism and liberalism stress markets and individual rights; socialism and communism stress equality and collective ownership; fascism exalts the nation and the state over the individual.

    1. Capitalism

    Private ownership of the means of production, markets and profit motive; Adam Smith's 'invisible hand' (1776).

    Forms: Laissez-faire capitalism; welfare capitalism after the Great Depression (Keynesian economics, New Deal); neo-liberalism since the 1980s (Thatcher, Reagan, Washington Consensus).

    Effects: Innovation and growth, but also inequality, cycles of boom and bust, and exploitation without regulation.

    2. Liberalism

    Individual liberty, rule of law, constitutional government, rights to property and free speech (Locke, J.S. Mill).

    Classical liberalism favoured a minimal state; modern liberalism accepts welfare and regulation.

    3. Socialism

    Social ownership or control of key resources to reduce inequality; early 'utopian socialists' (Robert Owen, Saint-Simon).

    Democratic socialism / social democracy: Achieve equality through elections, welfare state and mixed economy (Scandinavian model, British Labour, Fabian Society).

    Indian socialism: Nehru's mixed economy and planning; 'socialist' added to the Preamble (1976); Lohia and Jayaprakash Narayan's socialist thought.

    4. Communism (Marxism)

    Karl Marx and Friedrich Engels, Communist Manifesto (1848) and Das Kapital: history as class struggle; capitalism exploits workers through surplus value; revolution leads to a classless, stateless society.

    Practice: Lenin's Bolshevik Revolution (1917) and the USSR; Mao's China (1949) with peasant-based revolution; one-party rule, central planning, collectivisation.

    Effects: Rapid industrialisation and expanded literacy and health in some cases, but authoritarianism, famines (Soviet 1932–33, China's Great Leap Forward) and economic stagnation; collapse of the USSR (1991); market reforms in China (since 1978).

    5. Fascism and Nazism

    Extreme nationalism, authoritarian leader, one party, suppression of opposition, militarism and racism (Mussolini's Italy, Hitler's Germany).

    Arose from post-WWI humiliation, economic crisis and fear of communism; led to World War II and the Holocaust.

    6. Gandhian Perspective

    Gandhi's critique of both industrial capitalism and state socialism: trusteeship, decentralised village economy (Gram Swaraj), Sarvodaya (welfare of all), and limited wants.

    7. Relevance Today

    Most countries now have mixed economies; debates continue on inequality, the welfare state, populism and the role of markets versus the state.

    Comparing ideologies
    IdeologyOwnershipRole of stateKey thinkers/examples
    CapitalismPrivateLimited (regulator)Adam Smith; USA
    Democratic socialismMixedWelfare stateFabians; Scandinavia, Nehru's India
    CommunismCollective/stateTotal (transitional dictatorship)Marx, Lenin, Mao; USSR, China
    FascismPrivate but state-directedTotalitarianMussolini, Hitler
    GandhismTrusteeship, decentralisedMinimal, village-basedGandhi

    Prelims tips

    • The Communist Manifesto was published in 1848 by Marx and Engels.
    • Adam Smith's 'The Wealth of Nations' was published in 1776.
    • The Fabian Society (1884) promoted gradual, democratic socialism in Britain.
    • 'Socialist' was added to India's Preamble by the 42nd Amendment (1976).
    • Gandhi's concept of trusteeship sees the rich as trustees of wealth for society.

    Mains points

    • Political philosophies arose as responses to industrial capitalism's inequalities and the French Revolution's ideals.
    • Communism promised equality but in practice produced authoritarian states; its collapse showed the importance of political freedom and incentives.
    • Unregulated capitalism produced crises (1929, 2008), leading to welfare and regulatory states.
    • India's constitutional model blends liberal rights with socialist goals (DPSP) and Gandhian ideals (panchayats, cottage industries).
    • Contemporary debates on inequality, populism and climate revive questions about the right balance between market, state and community.

    Did you know?

    • Marx wrote much of Das Kapital in the reading room of the British Museum in London.
    • The word 'fascism' comes from 'fasces', a bundle of rods symbolising authority in ancient Rome.
    • Bhagat Singh studied Marxist literature and wrote 'Why I Am an Atheist' in jail.

    Modern Indian History: All chapters

    1. Advent of Europeans in India
    2. Decline of the Mughal Empire
    3. Emergence of Regional States
    4. Expansion and Consolidation of British Power
    5. British Government & Economic Policies (1757–1857)
    6. Social Reform Movements
    7. People’s Resistance before 1857
    8. The Revolt of 1857
    9. Growth of Nationalism and Moderate Phase of Congress
    10. British Administration in India
    11. Era of Militant Nationalism (1905–1909)
    12. First Phase of Revolutionary Activities (1907–1917)
    13. India’s Response to First World War and Home Rule Movement
    14. Emergence of Gandhi
    15. Non-Cooperation Movement and Khilafat Movement
    16. Emergence of Swarajists, Socialist Ideas, Revolutionary Activities
    17. Struggle for Swaraj (1928–1935)
    18. Period from 1935 to 1942
    19. Period from 1942 to 1947
    20. World History (Mains GS I)
    21. Post-Independence India

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