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.
Answer:
Is not credible because it does not support the claim with evidence f4
Explanation:
It unified and increased the power of the national state. It increased the feeling of French nationalism, and it set a precedent for a democratic French government.