The correct answer to this open question is the following.
Although this question does not include a specific reference about what experiment it is referring to, we can say that scientists have found that chewing gum helps to increase concentration and improves memory. Some scientists say that chewing gum increases psychological attention, allowing the individual to better focus on the task at hand. They even affirm that chewing gum helps to reduce stress, which allows people to concentrate and perform better. So chewing gum is good when you are studying for an exam.
Henry Clay was called ‘the Great Compromiser’ because he played a major role in formulating the three landmark sectional compromises of his day: the Missouri Compromise of 1820.
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Answer:
2nd one please mark me as brainlest
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Answer:They disagreed with the practice of slavery and took steps to free hundreds of enslaved people during their lifetimes.
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