The causes of the so-called zulu war were: select one: a. the scramble for european control over africa b. the discovery of natural resources (diamonds) in kimberly c. imperial need to control indigenous peoples d. the desire to transform african warriors and farmers into industrial laborers e. all of the above

d.summerains, the last one

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.