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.
Modern Europe is more likley during High Middle AGes decnetralised with open borders and free market wioth limited central fgovernment in 17 century Europe was domianted by absolutist moanrchies centralised often with control over various nations with mercantilistc economic system.
4.27% of the world is from the U.S.A
Maintaining order in a society is not an example of providing for the common defense or establishing justice. It is an example of insuring domestic tranquility.
Explanation:
One it is because most people understand the language and everything manufactured is in English.
Two,more importantly it is widely spoken in almost every country including those who still uses their vernicular languages,they at least use english