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.
Random attacks by Indian tribes. The frontier had swamps-to-mountainness terrain. Seeds didn't work in all parts of America, some lived healthy in one area while the same seed could die somewhere else there.
Answer:
Rwandan genocide
Explanation:
The president was killed two tribes started fighting
THE HUTU AND THE TUTSI
Many people were killed burnt inside their homes
Answer: Mary Ellen Pleasant (August 19, 1814 – January 11, 1904) was a 19th-century entrepreneur, financier, real estate magnate and abolitionist. She was arguably the first African-American self-made millionaire, preceding Madam C. J. Walker by decades. She identified herself as "a capitalist by profession" in the 1890 United States census.
Explanation:
