A restriction on the kinds of jobs a high schooler is allowed to have. In the past, queen victoria also imposed a same policy regarding underage workers.
They lacked knowledge about the land and how to use their environment to survive.
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.
The invention of the lightbulb allowed factories and mills to stay open longer and work through the night. Hope it helps :)
