Do You Know Eli Whitney?

Eli invented the cotton gin. The cotton gin was a machine that revolutionized the cotton industry by efficiently separating cotton fibers from their seeds. This invention greatly increased the productivity of cotton production and had a significant impact on the economy of the southern United States.

The correct answer is America because the question is asking about the person's nationality or country of origin. Among the given options, America is the only country mentioned.

The word "gin" in "cotton gin" refers to an engine. A cotton gin is a machine used to separate cotton fibers from their seeds. The machine uses a rotating drum with wire teeth to pull the cotton fibers away from the seeds, which is powered by an engine. Therefore, the correct answer is "Engine."

The correct answer is Elisabeth. This suggests that the person being referred to had a mother named Elisabeth.

The person died at the age of 59.

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Based on the information provided, the correct answer is 1777. This is the year in which his mother died.

The question asks about the year when he got married. Among the given options, the correct answer is 1817.

The question is asking for the name of "his" wife, but it does not provide any context or information about who "he" is. Therefore, without any additional information, it is not possible to determine the correct answer.