During the 1920s African American lives became better significantly better because their lives were changed socially and politically giving them more opportunities. (I hope this helps you :-} )
Answer:
For example Al-Razi (Rhazes), who ran the Baghdad hospital in the late 800s and early 900s, was the first author known to have written a book about children's diseases. He also explained the difference between smallpox and measles: this helped doctors diagnose the diseases.
Explanation:
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The ancient Egypt workers were paid in products, such was grain becuase gold and metal would be scarce if they were all paid with gold.
Answer: the invention of cotton gin
Explanation:The cotton gin refers to a a machine that sets aside cotton fibers from their seeds. Therefore, the invention of the cotton gin transformed the cotton industry in the United States and demanded cheap labor force, which led to the rise of slavery in the South and to the American Civil War later.
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