If I were you, is... The answer you're looking for lol.
Answer: One at a time by hand
Explanation: Because it was before the world was revolutionized so machines weren't a thing you could make cars with so they had workers make them by had
Answer:
C should be deleted.
Explanation:
If you look at option C it says "you can buy right packaging stuff..." That is lacking detail and sounds as if it was written by a 8 year old. Because "stuff" needs to be specified. "Stuff" could mean anything from soap bubbles to quarks and DNA. That is why C should be deleted because it is lacking detail.