Answer:
Long staple cotton was profitable because the cotton fibers could be easily separated from the seeds. ... While reducing the number of slaves needed to grow cotton the cotton gin greatly increased the areas where cotton could be profitably grown. This increased the demand for slaves.
This is what popped up when I searched it up
Answer:
B No state may contradict federal law.
Explanation:
The suprememacy clause lays out how Federal law is always superior to state laws, if a state creates a law that contradicts federal laws it could go to the Supreme Court for a ruling, which in turn could nullify the law if it is found to violate the suprememacy clause.
I took the test.
The answer if anybody wanted to know it is:
D. They all used science to challenge accepted beliefs.
I think it is harmony but I am not positive
