On 17 January 1920, the 18th Amendment came into effect in the United States. It made the manufacture, sale and transportation of 'intoxicating liquor' illegal.

Sarah Churchwell is BACK to explore the realities of the roaring twenties with Don. Why was alcohol banned? How did prohibition become federal law? And why would the US government have poisoned its citizens?

Produced by Freddy Chick and Sophie Gee. Edited by Anisha Deva. Senior Producer was Charlotte Long.

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