The best example of conformity in the United States in the 19th century was the The overwhelming response to Lincoln's call for 750,000 troops to serve the Union.
This is a word that is used to describe the matching attitude of people. It is a situation where the people are conformed or agree to the dictates of a particular order.
The response to Lincoln shows that the people were not opposed to his leadership.
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Answer:
C. the overwhelming response to Lincoln's call for 750,000 troops to serve the Union
Explanation: