Pearson Edexcel International GCSE in History · 4HI1 · Free · no account needed

The Palmer Raids, the Red Scare and Sacco and Vanzetti

Why did a robbery in Massachusetts become an international cause?

Option A3 · The USA, 1918–41 › Key topic 2 · Increased social tensions in the 1920s — one of 4 lessons in this key topic. Paper 2 Section A — historical investigation: The USA, 1918–41, key topic 2 (30 marks: 6 · 8 · 16).

Learn the Palmer Raids, the Red Scare and Sacco and Vanzetti, teach it to an AI pupil, then defend it in a marked debate — this lesson carries all three.

What the specification asks for

“The Palmer Raids and the 'Red Scare'. The Sacco and Vanzetti Case.” — examined through causation and consequence. Incandio is aligned to specification 4HI1; it is not published by, endorsed by or affiliated with Pearson.

1 · Understand it

Why 1919 was frightening

The Red Scare had real material behind it and an entirely disproportionate response, and both halves belong in an answer. The Russian revolution of 1917 had produced a communist state, and the Comintern was founded in 1919 to encourage others. In the United States that year there were more than three thousand strikes, including a general strike in Seattle and a police strike in Boston; a series of parcel bombs was posted to prominent figures; and a bomb damaged the home of the Attorney General, A. Mitchell Palmer.

Set against that, the American Communist and Communist Labor parties together had a membership in the tens of thousands in a population of over a hundred million, and the great majority of the strikes were about wages after wartime inflation rather than about revolution.

The wartime background matters too and is usually left out. The Espionage Act of 1917 and the Sedition Act of 1918 had already made criticism of the war and of the government prosecutable, and several thousand people had been convicted under them, including the socialist Eugene Debs, who stood for president from prison in 1920 and received nearly a million votes. The machinery Palmer used in 1919 had been built for the war and had not been dismantled, which is why the raids could be organised so quickly.

The raids and the case

In November 1919 and January 1920 Palmer's Justice Department, with a young J. Edgar Hoover running its intelligence division, arrested several thousand people in coordinated raids across dozens of cities. Many were held without charge, without counsel and in poor conditions; several hundred, mostly non-citizens, were deported. The raids largely stopped after officials in the Labor Department refused to sign deportation warrants and Palmer's prediction of a revolutionary rising on 1 May 1920 came to nothing.

The Sacco and Vanzetti case belongs to the same climate. Two Italian-born anarchists were arrested in 1920 for a payroll robbery and murder in South Braintree, Massachusetts, convicted in 1921 and executed in 1927 after six years of appeals. The evidence was contested at the time and has been argued about since; what turned a robbery trial into an international campaign was the conduct of the proceedings, including reports that the trial judge referred to the defendants in hostile terms outside court, and the prominence given to their political beliefs and origins.

What the case is evidence of

This strand teaches a precise AO3 discipline, because the temptation is to use the case to prove more than it can.

The case is excellent evidence about American attitudes: about the willingness to treat anarchism and Italian origin as evidence of guilt, about the international reputation of American justice by 1927, and about the size of the constituency that campaigned for six years. It is very poor evidence about whether the two men committed the robbery, which the surviving material does not settle and which historians still divide on.

A candidate who writes that the case proves an innocent pair were executed for their beliefs has overstated the record. A candidate who writes that the case shows a trial in which beliefs and origins were treated as evidence, and that this is what made it an international cause, has said something the sources support and has answered the question actually being asked.

2 · Learn it — the notes

The dates that earn marks

1919
More than three thousand strikes; parcel bombs; the bombing of Palmer's house. Why this date: It supplies the real disorder that the response was disproportionate to, and both halves are needed for a judgement.
November 1919 – January 1920
The Palmer Raids: several thousand arrested, several hundred deported. Why this date: It is the largest federal action against political opinion in the period and it collapsed when officials refused to sign the warrants.
1921 and 1927
Sacco and Vanzetti convicted, and executed six years later. Why this date: The interval is the point: six years of appeals turned a state murder trial into an international argument about American justice.

The figures, and how far to trust them

  • Several thousand arrested; several hundred deported — The scale of the Palmer Raids. (Contemporary and later counts differ substantially, and arrest and deportation figures are often conflated.)
  • More than 3,000 — Strikes in the United States in 1919, mostly about wages after wartime inflation.
  • Six years — The interval between conviction and execution in the Sacco and Vanzetti case.

The people to place

  • A. Mitchell Palmer — Attorney General; directed the raids of 1919–20 after his own house was bombed.
  • J. Edgar Hoover — Ran the Justice Department's intelligence operation during the raids.
  • Nicola Sacco — Italian-born anarchist convicted in 1921 and executed in 1927.
  • Bartolomeo Vanzetti — Italian-born anarchist tried and executed with Sacco.

How historians disagree

Attributed interpretations, never voiced — the AO4 seam.

  • The 'hysteria' reading: The Red Scare was a panic out of all proportion to any threat, in which a tiny radical movement was used to justify mass arrest, deportation and the suppression of legitimate labour organisation. Contested by The reading that takes the bombings and the scale of the 1919 strikes seriously as a genuine public-order crisis, and argues that the response was excessive rather than fabricated..

What students say — and what is actually the case

Not this: The Sacco and Vanzetti case proves the two men were innocent.

This: The evidence was contested at the time and historians still differ. What the case demonstrates is how the trial was conducted and what was treated as relevant, which is a different and better-supported claim.

Not this: The Red Scare had no basis at all.

This: There were bombings, including one at the Attorney General's home, and more than three thousand strikes in 1919. The judgement to make is about proportion, not about whether anything happened.

Two things students merge

Blurred: Radicalism and industrial unrest.

The distinction: The great majority of the 1919 strikes were about wages after wartime inflation. Treating them as revolutionary activity is precisely what the Red Scare did, and a candidate who repeats it has adopted a contemporary interpretation as fact.

Blurred: What a trial proves and what it shows.

The distinction: The case cannot settle the robbery. It can show what a Massachusetts court in 1921 treated as relevant and what a six-year international campaign was responding to. Saying which is which is the AO3 skill on this strand.

What a Grade 9 answer holds here

A Grade 9 answer separates the question the sources can answer from the question everybody wants answered. Whether Sacco and Vanzetti robbed a payroll office is not settled by the surviving material and probably never will be; what the record establishes beyond argument is that their politics and their birthplace were treated in court as though they bore on it, and that is what made a Massachusetts trial a matter of protest in Paris and Buenos Aires.

3 · How it is examined

This strand is genuinely set through: Paper 2 Section A (a) (6 marks — “Describe TWO features of EITHER … OR ….”); Paper 2 Section A (b) (8 marks — “How far does Source A support the evidence of Source B about …? Explain your answer.”); Paper 2 Section A (c) (16 marks — “Extract C suggests that …. How far do you agree with this interpretation? Use Extract C, Sources A and B and your own knowledge to explain your answer.”).

What earns marks: Limiting the case precisely: it is evidence about attitudes and about the conduct of the trial, and not about the robbery. Examiners reward a candidate who says what a source cannot establish.

The cap that bites here: The 8-mark cross-reference requires agreement and disagreement; one direction alone is capped at 4 marks.

4 · Prove it — the questions

Answered inside Incandio, where a marker checks what a correct answer must contain and tells you which half was missing. The marking stays in the app; the questions are here.

  1. Describe two features of the Red Scare in the United States. [6 marks · Paper 2 Section A (a)]
  2. How far does Source A support the evidence of Source B about the Palmer Raids? [8 marks · Paper 2 Section A (b)]
  3. How far does Source A support the evidence of Source B about the trial of Sacco and Vanzetti? [8 marks · Paper 2 Section A (b)]
  4. Extract C suggests that the Red Scare was an overreaction to a threat that did not exist. How far do you agree with this interpretation? [16 marks · Paper 2 Section A (c)]
  5. Extract C suggests that Sacco and Vanzetti were convicted for their beliefs. How far do you agree with this interpretation? [16 marks · Paper 2 Section A (c)]

Think you understand it?

Reading is the start. On Incandio a topic counts as mastered only once you have taught it and defended it — the two things a revision guide cannot ask of you.

Incandio this topic → Prove it. Teach it. Defend it. What does “Incandio it” mean?

  1. Prove it — five questions on the Palmer Raids, the Red Scare and Sacco and Vanzetti, marked on the spot, that tell you what was missing rather than just what was wrong.
  2. Teach it — Explain the Palmer Raids, the Red Scare and Sacco and Vanzetti — what happened, why, and what it made possible — to Ember, an AI pupil who asks the awkward question. Understanding is credited; wording is not required.
  3. Defend it — Argue the Palmer Raids, the Red Scare and Sacco and Vanzetti against the historical mind with the strongest claim on it — three rounds, marked against descriptors you can read before you begin.
  4. Then the exam — 15 authored exam-style questions on this option, marked on Incandio with the mistake you actually made named.

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The debate is against The Charge of the Uneven Boom — the case itself, argued at its strongest, because on this strand there is no single person whose position the learner has to defeat.

The same people, elsewhere in the option

Carry on through the option