How does obama suggest that the democratic party is the party of diversity?

The former president unveiled his endorsements with little fanfare and no advance notice, posting the list on Twitter with a concise explanatory note that called the candidates “as diverse, patriotic and big-hearted as the America they’re running to represent.”

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.

what was the significance of the plessy vs ferguson ruling and jim crow laws

answer the impact. plessy v. ferguson allowed 'separate but equal, also known as segregation, to become law in the united states