Which of the following is the most likely reason why africa has such a low life expectancy rate compared to almost everywhere else?

The answer is A. The spread of the AIDS virus.

c. women being denied the type of education men received

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.