The correct answer to this question is:
C) Record the losses caused by the Civil War.
The correct answer is: C) familiarity with and disdain for the northern industrial workplace.
Secession and, therefore, Civil War were mainly about the right to own slaves. Slaves were, for the Southerns, the most important "material" in the workplace; their region relied on slave-owning in order to do agrarian work.
The Northerns, however, now were in their way to industrialization, where the work at factories was done by employed immigrants and, thus, they were all for abolishing slavery.
The Democrats held the majority of the seats in the house and senate.
Answer: abolished slavery
Thomas Jefferson is the answer