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:
it well be difficult
Explanation:
it is because there will not be water to drink and the degree of the sun will be high
towards isolationism to remain apart affairs in other countries
