What impact did poor soil and a short growing season have on early Kievan society? 1. Trade was important to the economy.
2. Agriculture created surpluses of food.
3. The empire had to expand to find more land.
4. Kiev relied on colonies to provide materials.

while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.

this is a good question! i'll do some research and come back when i have the answer!