9.What does the author mean when stating that
certain inventions made farming
“capital-intensive rather than labor-intensive”
(lines 23-24)?
(A) Workers had to be trained to operate the new
machines.
(B) Mechanized farming required more capital
and fewer laborers.
(C) The new inventions were not helpful for all
farming activities.
(D) Human labor could still accomplish as much
work as the first machines.