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During the French Revolution, the proclamation of the abolition of the monarchy (French: Proclamation de l'abolition de la royauté) was a proclamation by the National Convention of France announcing that it had abolished the French monarchy on 21 September 1792.
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India, Persia and central Asian empires all played key intermediaries in the Silk Road as China and Rome didn't have a direct relationship during the Classical age.
3D printing uses computer-aided design (CAD) to create three-dimensional objects through a layering method. Sometimes referred to as additive manufacturing, 3D printing involves layering materials, like plastics, composites or bio-materials to create objects that range in shape, size, rigidity and color.
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Correct answer is penicillin
