Reaper and steel plow were the machines invented by Cyrus McCormick and John Deere that made large-scale agriculture possible, especially on Midwestern prairies.
B) Reaper and steel plow
<u>Explanation:</u>
In the 1800's people used to do all the chores with their hands hence, it made farming a tough job and a lot of time consuming activity. During the industrial revolution, Cyrus McCormick invented a mechanical reaper, which would help reap big farms in very less time.
The steel plow played a very important role in the industrial revolution as the wooden plow used to be weak but John Deere's invented steel plow was strong and broke soil easily.
Answer:
Moving existing nuclear weapons to locations from which they could reach American targets was one." A second reason that Soviet missiles were deployed to Cuba was because Khrushchev wanted to bring West Berlin, controlled by the American, British and French within Communist East Germany, into the Soviet orbit.
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Ben Franklin made a political cartoon saying "Join or Die" trying to get the 13 colonies to unite together because they were so divided
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