Question

who were jacobians? why they were known as sansculottes

Answer 1

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A Jacobin was a member of the Jacobin Club, a revolutionary political movement that was the most famous political club during the French Revolution. The club was so called from the Dominican convent where they originally met, in the Rue Saint-Jacques in Paris
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Answer 2

A Jacobin was a member of the Jacobin Club, a revolutionary political movement that was the most famous political club during the French Revolution. The club was so called from the Dominican convent where they originally met, in the Rue Saint-Jacques in Paris. 

The sans-culottes (French: literally "without breeches") were the common people of the lower classes in late 18th century France, a great many of whom became radical and militant partisans of the French Revolution in response to their poor quality of life under the Ancien Régime...

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