D. The commercial Revolution led to the adoption of the mechanism in Europe, while the Industrial Revolution contributed to the end of mercantilism. Is the answer.
Answer:
To increase public support in the war as American people were not very fond of a war that was happening across the ocean.
Explanation:
Some examples of this were the Fugitive Slave Act, Preston Brooks's attack on Charles Sumner, and the Dred Scott decision (the part of it which said that African Americans could never be citizens). None of these events tangibly hurt the North or the South.