How does President Kennedy use economics to build an argument in favor of the Space Race in this excerpt?

it refers to race, i am pretty sure this was a popular term in nazi germany or something.

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.

because their parents smoke while in labor