What does the author mean when stating that certai...

Câu hỏi: What does the author mean when stating that certain inventions made farming “capital-intensive rather than labor-intensive” (lines 22-23)?

A Workers had to be trained to operate the new machines

B The new inventions were not helpful for all farming activities.

C Human labor could still accomplish as much work as the first machines

D Mechanized farming required more capital and fewer laborers.