I believe the answer is: A-he disagreed with slavery but supported compromise
Daniel Webster was known as the leading supporter for Fugitive Slave Law of 1850 that required federal officials to capture and punish slaves that were running away. Because of this Webster was viciously attacked by the abolitionist because he agreed to the compromise rather than fully eliminated slavery.
C. NATO was America and our allies and the Warsaw Pact was the Soviets and their satellite states
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.