Answer: 1.More work could be done in less time.
and 2.Less work had to be done by hand.
Explanation: these are correct because its says benefits meaning the good. More work could be done in less time due to the early inventions that were created. Same with #2, less work had to be done because early inventions did it for them.
hope this helps!
;p
Answer:
B
Explanation:
The U.S didn't gain its independence when Africa was being split among European powers.
