It had a very positive impact because the 1920's was when many new technologies were introduced, one example being the the assembly line, which made many industries more productive and profitable.
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The right answer for the question that is being asked and shown above is that: "d. Frederick Douglass" Political issues were coming to the forefront as America began to struggle with the issues of slavery. One noted author who wrote about his experiences as a slave was d. Frederick Douglass<span>
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The soil, because it was rich for farming and it was right next to the mississippi river.