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:
When "lower courts" (district courts is what i think you meant) resolve disputes they determine the facts and apply legal principles to decide who is right. Often there are trial courts which include the district judge who tries the case and lets the jury decide.
Explanation:
to Resolve disputes, interpret the law and set precedents are the 3 roles in court.
B, but to be exact it was 1402
