C. Unit North and South Korean under a communist government
<span>The nation's largest railroad center was found in Chicago. Chicago is considered as the most important center of railroads in North America. Chicago has been the most significant interchange point of commercial transportation between the nation’s great railroads.</span>
Edward Bancroft is important to understanding more about Silas Deane because he was said to have studied under Silas Deane.
<h3>What is the relationship between Deane and Bancroft?</h3>
During the period of the American revolution, Benjamin Franklin and Deane were the people that negotiated with the French people as the allies of the United States.
Bancroft was at that time a secretary under them. This was a position that was known to have given him the access to the works that was being done by the delegation that was sent to France.
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Answer:
I believe it is C. All challenged the authority of the previous scientists.
Explanation:
It encouraged them to work in social reform movements.