Answer:
Nicholas Leblanc
Well into the 19th century, soap was heavily taxed as a luxury item in several countries. When the tax was removed, soap became available to most people, and cleanliness standards across societies improved.
A major step toward large-scale soap making occurred in 1791 when a French chemist, Nicholas Leblanc, patented a process for making soda ash from common salt. Soda ash is obtained from ashes and can be combined with fat to form soap. This discovery made soap-making one of America's fastest-growing industries by 1850, along with other advancements and development of power to operate factories.
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Explanation:
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