What might have been the purpose of the walls in Great Zimbabwe?

Some experts have tried to come up with a list of plausible uses of the various structures at Great Zimbabwe; The great Zimbabwe walls were called The Great Enclosure or Imbahuru and their purpose were; Defence- that is to withstand any attacks from the state’s enemies; They also served as the residence of the ruling family; They separated the ruling class from the commoners. The Great Enclosure was more luxurious than those in the valley where commoners lived.

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.

very positive impact on our industries in the west, sine they promoted settlement and increased the ways in which goods could be transported to market.