How severe was the great depression in america

The Great Depression was the worst economic downturn in the history of the industrialized world, lasting from 1929 to 1939. ... By 1933, when the Great Depression reached its lowest point, some 15 million Americans were unemployed and nearly half the country's banks had failed.

Explanation:

they chose sides following the death of the islamic prophet muhammad in ad 632. a dispute over succession to islamic prophet muhammad as a caliph of the islamic community spread across various parts of the world, which led to the battle of jamal and battle of siffin.

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