Key topic 3 · The USA in Depression, 1929–33

What a Grade 9 answer knows here. Hoover did more than any previous president and less than the situation demanded, and it is the second half people remember. The Bonus Marchers being cleared by the army is the image that ended him, which is a lesson about how a reputation is fixed.

Every lesson here ends the same way: learn it, teach it to an AI pupil who asks the awkward question, then defend it against the thinker with the strongest claim on it — free · no account needed.

3 lessons, each answering one essential question with the story, the dates that earn marks, the people to place, how historians disagree and the cap in the mark scheme that bites. Completely free.

The 3 lessons

The Wall Street Crash: causes and consequences

Why did share prices fall so far so fast, and why is that a mechanism rather than a mood? Buying on margin is the single most useful thing to understand here.

Examined through causation and consequence. Learn the Wall Street Crash: causes and consequences →

Hoover's response: intervention and volunteerism

How did a president who did more than any predecessor become the man remembered for doing nothing? Herbert Hoover was not an idle or an unfeeling man, and this is the strand on which candidates most often repeat a contemporary caricature as though it were a finding.

Examined through consequence and significance. Learn Hoover's response: intervention and volunteerism →

The impact on banking, agriculture, industry and people's lives

What does it do to a country when a quarter of its workers have no job and no insurance against having none? There was no federal deposit insurance before 1933, which is the fact that makes the American banking collapse so much worse than its equivalents elsewhere.

Examined through consequence. Learn the impact on banking, agriculture, industry and people's lives →

The dates that earn marks in this key topic

Two from each lesson, in the order the topic is taught — each with the reason it is worth a mark, and the lesson that places it.

24 and 29 October 1929 — Black Thursday and Black Tuesday; record volumes of shares are sold.: The forced-sale mechanism of margin buying is what turns a fall into a collapse in a single week. (The Wall Street Crash: causes and consequences)
1930 — The Smoot-Hawley tariff raises American duties; other countries retaliate.: It converts an American collapse into a contraction of world trade, and is why the Depression is global. (The Wall Street Crash: causes and consequences)
1930 — The Smoot-Hawley tariff raises duties; retaliation follows.: It is the clearest case of a Hoover measure that made the situation worse, and it is used against him in almost every interpretation. (Hoover's response: intervention and volunteerism)
1932 — The Reconstruction Finance Corporation lends to banks, railroads and insurers.: It is substantial federal intervention, and it was aimed at institutions rather than individuals, which is why it did not change how he was seen. (Hoover's response: intervention and volunteerism)
1929–33 — About 5,000 banks fail; depositors lose savings with no federal insurance.: It explains why the American collapse reached households that had never invested, and why deposit insurance in 1933 mattered so much. (The impact on banking, agriculture, industry and people's lives)
1932 — Industrial production has roughly halved; unemployment approaches a quarter of the workforce.: It measures the depth of the collapse in the year of the presidential election. (The impact on banking, agriculture, industry and people's lives)

The people to place

Herbert Hoover — President from March 1929; his administration's response is the subject of the next strand. (The Wall Street Crash: causes and consequences)
Irving Fisher — Economist who stated shortly before the Crash that share prices had reached a permanently high plateau. (The Wall Street Crash: causes and consequences)
Douglas MacArthur — Commanded the troops that cleared the Bonus Marchers' camps in July 1932. (Hoover's response: intervention and volunteerism)
Andrew Mellon — Treasury Secretary until 1932; associated with the view that the economy should be allowed to liquidate. (Hoover's response: intervention and volunteerism)
Dorothea Lange — Photographer employed by the Farm Security Administration to document rural poverty. (The impact on banking, agriculture, industry and people's lives)
Walker Evans — Photographer whose documentary work for the same agency shaped the visual record of the period. (The impact on banking, agriculture, industry and people's lives)

What students say — and what is actually the case

“The Wall Street Crash caused the Great Depression.” — It was the trigger and not the whole cause. Banking collapse, the fall in credit and demand, and the contraction of world trade after the 1930 tariff are what turned a market fall into a depression. (The Wall Street Crash: causes and consequences)
“Hoover did nothing about the Depression.” — He undertook the largest federal public works programme to that date, cut taxes in 1930 and created the Reconstruction Finance Corporation. What he refused was direct federal relief to individuals. (Hoover's response: intervention and volunteerism)
“Unemployed Americans received government benefits.” — There was no federal unemployment insurance before 1935. Relief came from states, cities and charities, all of which ran out of money, which is why private destitution was so complete. (The impact on banking, agriculture, industry and people's lives)

What the specification asks for

The clauses of 4HI1 this key topic examines, one per lesson. Incandio is aligned to the specification and is not published by Pearson.

“The causes and consequences of the Wall Street Crash (1929–30)” — The Wall Street Crash: causes and consequences
“Hoover's reaction to the Great Depression: intervention and volunteerism” — Hoover's response: intervention and volunteerism
“The impact of the Depression on banking, agriculture, industry and on people's lives: Hoovervilles and the Bonus Marchers, unemployment and homelessness” — The impact on banking, agriculture, industry and people's lives

Then teach it, and defend it

Every lesson above ends the same way: you explain the argument to Ember, an AI pupil who asks the awkward question, and defend it in a structured debate marked against published descriptors.

All of The USA, 1918–41 · Incandio History · The 4HI1 specification