Modern Conflicts: Post-1945 to 2010

The Cold War and the Nuclear Deterrent

Imagine preparing your home for a nuclear strike using only doors, sandbags, and white paint.
This was the reality of British civil defence in 1980, when the government published the 'Protect and Survive' pamphlet advising citizens to stockpile 14 days of food and paint windows white to reflect thermal radiation.
Following the 1946 McMahon Act, which cut off US nuclear cooperation, Britain independently developed its own atomic bomb (1952) and hydrogen bomb (1957).
The government relied on a Nuclear Deterrent to maintain security and global status, driven by the Cold War theory of Mutual Assured Destruction (MAD).
Over time, Britain shifted from using its own V-bombers to relying on US-supplied delivery systems, such as Polaris submarines secured under the 1962 Nassau Agreement.
While the state viewed these weapons as essential, the public was often terrified; the 1984 BBC film Threads graphically depicted a nuclear strike on Sheffield, heavily influencing civilian fears.

Anti-Nuclear and Anti-War Protests

You might think of mass protests as a modern internet phenomenon, but in 1960, up to 100,000 people marched on Trafalgar Square without a single smartphone.
The Campaign for Nuclear Disarmament (CND) was formed in 1958 by figures like Canon John Collins and Bertrand Russell to demand Unilateral Nuclear Disarmament.
Tactics evolved rapidly; while early Aldermaston Marches were peaceful walks, a splinter group called the Committee of 100 used non-violent direct action, such as staging a 4,000-person sit-down outside the Ministry of Defence in 1961.
The anti-nuclear movement saw a massive revival in the 1980s when the US stationed cruise missiles in the UK, leading to the creation of the Greenham Common Women's Peace Camp (1981–2000).
This tradition of mass mobilisation continued into the 21st century when the Stop the War Coalition organised the largest protest in British history, with 1–2 million people marching against the 2003 Iraq War.

The IRA Campaigns and State Security

Every time you walk through a major British railway station, you might notice a complete lack of standard metal litter bins.
This is a direct legacy of The Troubles, during which the Provisional IRA (formed in 1969) waged Asymmetric Warfare using bombings and coded warnings to fight for a united Ireland.
The deadliest mainland attack was the 1974 Birmingham Pub Bombings, which killed 21 people and injured 182.
In response, the government rushed the Prevention of Terrorism Act 1974 through Parliament in just 8 days, introducing Proscription of the IRA and allowing police to detain suspects for up to 7 days.
This heavily impacted the Irish community in Britain, creating a "suspect community"; by 1992, over 6,200 people had been detained and released without charge.
Security visibly altered daily life: the 1993 "Ring of Steel" around the City of London introduced early CCTV and Automatic Number Plate Recognition (ANPR) checkpoints to prevent car bombs.

The War on Terror and Civil Liberties

The rules for carrying liquids on an airplane changed overnight in 2006 and have never gone back.
Following the 9/11 attacks, the UK entered the "War on Terror", engaging militarily in Afghanistan (2001) and Iraq (2003).
Facing a new threat of suicide bombings and Improvised Explosive Devices (IEDs), the government passed rapid legislation that severely curtailed traditional Civil Liberties in the name of national security.
The Anti-Terrorism, Crime and Security Act 2001 allowed foreign nationals to be detained without trial; when this was ruled unlawful, the Prevention of Terrorism Act 2005 introduced Control Orders to place suspects under house arrest.
Daily civilian life became highly monitored; Britain became one of the most surveilled societies in the world, and the 7 July 2005 (7/7) London bombings (which killed 52 people) triggered the permanent "See it. Say it. Sorted" transport security campaign.

Analysing the Shift in State Control

How does the government's response to modern terrorism differ from its approach to the World Wars?
By comparing historical periods, we can identify clear patterns in how conflicts change British society and government powers.

Feature	The World Wars (Total War)	Post-1945 (Cold War & Modern Terrorism)
Nature of Threat	Direct military invasion by a visible, hostile nation state.	Asymmetric Warfare, threat of sudden nuclear annihilation, and hidden terrorist cells.
Focus of State Control	Physical resources and labour (e.g., rationing, conscription).	Information, surveillance, and movement (e.g., CCTV, ANPR, Control Orders).
Legislation Pattern	Defence of the Realm Act (DORA) in WWI granted sweeping but temporary wartime powers.	Anti-terrorism Acts (e.g., 1974, 2000, 2006) frequently shifted from "temporary" measures to permanent laws.

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Get full access to revision notes, key terms, and exam tips for every subtopic.

Exam Tips

Common Mistake
Students often confuse the Prevention of Terrorism Act 1974 (passed during the IRA campaigns) with the Prevention of Terrorism Act 2005 (passed during the War on Terror) — ensure you link the correct Act to the correct conflict.
2
When asked to 'Analyse' the impact of modern conflict on government, use the concept of continuity and change: show how powers introduced as 'temporary' emergencies often became permanent laws.
3
In evaluate questions regarding civil liberties, quote Tony Blair's justification that 'the rules of the game have changed' after the 7/7 bombings to explain why the government felt strict new laws were necessary.
4
Examiners reward students who can contrast the focus of state control over time: mention that WWII focused on controlling physical resources (rationing), whereas post-1945 conflicts focused on controlling movement and information (surveillance and CCTV).
5
Be precise with legislation dates: Remember that the Defence of the Realm Act (DORA) belongs to World War I (1914–1918), not World War II. Linking DORA specifically to the state increasing power during wartime is a great way to show continuity across the 20th century.

Key Terms(10)

Nuclear Deterrent: The policy of maintaining nuclear weapons to discourage an enemy from attacking, based on the threat of devastating retaliation.
Mutual Assured Destruction (MAD): The Cold War theory that if both sides possess enough nuclear weapons to destroy the other, neither will start a war because it would lead to total annihilation.
Unilateral Nuclear Disarmament: The policy of a country giving up its nuclear weapons independently, regardless of whether other countries do the same.
The Troubles: The ethno-nationalist conflict in Northern Ireland that lasted from the late 1960s to 1998.
Asymmetric Warfare: A type of conflict where a weaker non-state actor uses unconventional tactics, like bombings, against a superior state military.
Prevention of Terrorism Act 1974: Emergency legislation rushed through Parliament following the Birmingham Pub Bombings, allowing for the banning of the IRA and extended detention of suspects.
Proscription: The legal banning of an organisation by the government, making membership a criminal offence.
Civil Liberties: Fundamental individual rights, such as freedom of speech and the right to a fair trial, which the state may attempt to restrict during conflicts.
Control Orders: Legal measures introduced in 2005 to severely restrict the movements and communications of terrorism suspects who could not be tried or deported.
Defence of the Realm Act (DORA): Legislation passed in 1914 giving the government wide-ranging powers during WWI to control civilian life, censorship, and resources.

Previous NoteTotal War: Britain in WWI and WWII Next Section: British Depth StudiesThe English Successions and the Settlement of Ireland

Back to War c.1750–c.2010

Put your knowledge into practice — try past paper questions for History A

Key Terms(10)

Nuclear Deterrent: The policy of maintaining nuclear weapons to discourage an enemy from attacking, based on the threat of devastating retaliation.
Mutual Assured Destruction (MAD): The Cold War theory that if both sides possess enough nuclear weapons to destroy the other, neither will start a war because it would lead to total annihilation.
Unilateral Nuclear Disarmament: The policy of a country giving up its nuclear weapons independently, regardless of whether other countries do the same.
The Troubles: The ethno-nationalist conflict in Northern Ireland that lasted from the late 1960s to 1998.
Asymmetric Warfare: A type of conflict where a weaker non-state actor uses unconventional tactics, like bombings, against a superior state military.
Prevention of Terrorism Act 1974: Emergency legislation rushed through Parliament following the Birmingham Pub Bombings, allowing for the banning of the IRA and extended detention of suspects.
Proscription: The legal banning of an organisation by the government, making membership a criminal offence.
Civil Liberties: Fundamental individual rights, such as freedom of speech and the right to a fair trial, which the state may attempt to restrict during conflicts.
Control Orders: Legal measures introduced in 2005 to severely restrict the movements and communications of terrorism suspects who could not be tried or deported.
Defence of the Realm Act (DORA): Legislation passed in 1914 giving the government wide-ranging powers during WWI to control civilian life, censorship, and resources.

Modern Conflicts: Post-1945 to 2010

The Cold War and the Nuclear Deterrent

Imagine preparing your home for a nuclear strike using only doors, sandbags, and white paint.
This was the reality of British civil defence in 1980, when the government published the 'Protect and Survive' pamphlet advising citizens to stockpile 14 days of food and paint windows white to reflect thermal radiation.
Following the 1946 McMahon Act, which cut off US nuclear cooperation, Britain independently developed its own atomic bomb (1952) and hydrogen bomb (1957).
The government relied on a Nuclear Deterrent to maintain security and global status, driven by the Cold War theory of Mutual Assured Destruction (MAD).
Over time, Britain shifted from using its own V-bombers to relying on US-supplied delivery systems, such as Polaris submarines secured under the 1962 Nassau Agreement.
While the state viewed these weapons as essential, the public was often terrified; the 1984 BBC film Threads graphically depicted a nuclear strike on Sheffield, heavily influencing civilian fears.

Anti-Nuclear and Anti-War Protests

You might think of mass protests as a modern internet phenomenon, but in 1960, up to 100,000 people marched on Trafalgar Square without a single smartphone.
The Campaign for Nuclear Disarmament (CND) was formed in 1958 by figures like Canon John Collins and Bertrand Russell to demand Unilateral Nuclear Disarmament.
Tactics evolved rapidly; while early Aldermaston Marches were peaceful walks, a splinter group called the Committee of 100 used non-violent direct action, such as staging a 4,000-person sit-down outside the Ministry of Defence in 1961.
The anti-nuclear movement saw a massive revival in the 1980s when the US stationed cruise missiles in the UK, leading to the creation of the Greenham Common Women's Peace Camp (1981–2000).
This tradition of mass mobilisation continued into the 21st century when the Stop the War Coalition organised the largest protest in British history, with 1–2 million people marching against the 2003 Iraq War.

The IRA Campaigns and State Security

Every time you walk through a major British railway station, you might notice a complete lack of standard metal litter bins.
This is a direct legacy of The Troubles, during which the Provisional IRA (formed in 1969) waged Asymmetric Warfare using bombings and coded warnings to fight for a united Ireland.
The deadliest mainland attack was the 1974 Birmingham Pub Bombings, which killed 21 people and injured 182.
In response, the government rushed the Prevention of Terrorism Act 1974 through Parliament in just 8 days, introducing Proscription of the IRA and allowing police to detain suspects for up to 7 days.
This heavily impacted the Irish community in Britain, creating a "suspect community"; by 1992, over 6,200 people had been detained and released without charge.
Security visibly altered daily life: the 1993 "Ring of Steel" around the City of London introduced early CCTV and Automatic Number Plate Recognition (ANPR) checkpoints to prevent car bombs.

The War on Terror and Civil Liberties

The rules for carrying liquids on an airplane changed overnight in 2006 and have never gone back.
Following the 9/11 attacks, the UK entered the "War on Terror", engaging militarily in Afghanistan (2001) and Iraq (2003).
Facing a new threat of suicide bombings and Improvised Explosive Devices (IEDs), the government passed rapid legislation that severely curtailed traditional Civil Liberties in the name of national security.
The Anti-Terrorism, Crime and Security Act 2001 allowed foreign nationals to be detained without trial; when this was ruled unlawful, the Prevention of Terrorism Act 2005 introduced Control Orders to place suspects under house arrest.
Daily civilian life became highly monitored; Britain became one of the most surveilled societies in the world, and the 7 July 2005 (7/7) London bombings (which killed 52 people) triggered the permanent "See it. Say it. Sorted" transport security campaign.

Analysing the Shift in State Control

How does the government's response to modern terrorism differ from its approach to the World Wars?
By comparing historical periods, we can identify clear patterns in how conflicts change British society and government powers.

Feature	The World Wars (Total War)	Post-1945 (Cold War & Modern Terrorism)
Nature of Threat	Direct military invasion by a visible, hostile nation state.	Asymmetric Warfare, threat of sudden nuclear annihilation, and hidden terrorist cells.
Focus of State Control	Physical resources and labour (e.g., rationing, conscription).	Information, surveillance, and movement (e.g., CCTV, ANPR, Control Orders).
Legislation Pattern	Defence of the Realm Act (DORA) in WWI granted sweeping but temporary wartime powers.	Anti-terrorism Acts (e.g., 1974, 2000, 2006) frequently shifted from "temporary" measures to permanent laws.

Sign up to continue reading

Get full access to revision notes, key terms, and exam tips for every subtopic.

Exam Tips

Common Mistake
Students often confuse the Prevention of Terrorism Act 1974 (passed during the IRA campaigns) with the Prevention of Terrorism Act 2005 (passed during the War on Terror) — ensure you link the correct Act to the correct conflict.
2
When asked to 'Analyse' the impact of modern conflict on government, use the concept of continuity and change: show how powers introduced as 'temporary' emergencies often became permanent laws.
3
In evaluate questions regarding civil liberties, quote Tony Blair's justification that 'the rules of the game have changed' after the 7/7 bombings to explain why the government felt strict new laws were necessary.
4
Examiners reward students who can contrast the focus of state control over time: mention that WWII focused on controlling physical resources (rationing), whereas post-1945 conflicts focused on controlling movement and information (surveillance and CCTV).
5
Be precise with legislation dates: Remember that the Defence of the Realm Act (DORA) belongs to World War I (1914–1918), not World War II. Linking DORA specifically to the state increasing power during wartime is a great way to show continuity across the 20th century.

Key Terms(10)

Nuclear Deterrent: The policy of maintaining nuclear weapons to discourage an enemy from attacking, based on the threat of devastating retaliation.
Mutual Assured Destruction (MAD): The Cold War theory that if both sides possess enough nuclear weapons to destroy the other, neither will start a war because it would lead to total annihilation.
Unilateral Nuclear Disarmament: The policy of a country giving up its nuclear weapons independently, regardless of whether other countries do the same.
The Troubles: The ethno-nationalist conflict in Northern Ireland that lasted from the late 1960s to 1998.
Asymmetric Warfare: A type of conflict where a weaker non-state actor uses unconventional tactics, like bombings, against a superior state military.
Prevention of Terrorism Act 1974: Emergency legislation rushed through Parliament following the Birmingham Pub Bombings, allowing for the banning of the IRA and extended detention of suspects.
Proscription: The legal banning of an organisation by the government, making membership a criminal offence.
Civil Liberties: Fundamental individual rights, such as freedom of speech and the right to a fair trial, which the state may attempt to restrict during conflicts.
Control Orders: Legal measures introduced in 2005 to severely restrict the movements and communications of terrorism suspects who could not be tried or deported.
Defence of the Realm Act (DORA): Legislation passed in 1914 giving the government wide-ranging powers during WWI to control civilian life, censorship, and resources.

Previous NoteTotal War: Britain in WWI and WWII Next Section: British Depth StudiesThe English Successions and the Settlement of Ireland

Back to War c.1750–c.2010

Put your knowledge into practice — try past paper questions for History A

Key Terms(10)

Nuclear Deterrent: The policy of maintaining nuclear weapons to discourage an enemy from attacking, based on the threat of devastating retaliation.
Mutual Assured Destruction (MAD): The Cold War theory that if both sides possess enough nuclear weapons to destroy the other, neither will start a war because it would lead to total annihilation.
Unilateral Nuclear Disarmament: The policy of a country giving up its nuclear weapons independently, regardless of whether other countries do the same.
The Troubles: The ethno-nationalist conflict in Northern Ireland that lasted from the late 1960s to 1998.
Asymmetric Warfare: A type of conflict where a weaker non-state actor uses unconventional tactics, like bombings, against a superior state military.
Prevention of Terrorism Act 1974: Emergency legislation rushed through Parliament following the Birmingham Pub Bombings, allowing for the banning of the IRA and extended detention of suspects.
Proscription: The legal banning of an organisation by the government, making membership a criminal offence.
Civil Liberties: Fundamental individual rights, such as freedom of speech and the right to a fair trial, which the state may attempt to restrict during conflicts.
Control Orders: Legal measures introduced in 2005 to severely restrict the movements and communications of terrorism suspects who could not be tried or deported.
Defence of the Realm Act (DORA): Legislation passed in 1914 giving the government wide-ranging powers during WWI to control civilian life, censorship, and resources.