Louis pateur, the greatest name in the history of micro biology stated that..​

Louis Pasteur is best known for inventing the process that bears his name, pasteurization. Pasteurization kills microbes and prevents spoilage in beer, milk, and other goods.

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism