The correct answer is B: Rich Londoners are quick to bet huge sums of money to settle trivial arguments. This is because they were betting whether or not he would starve in a month. This is of course, not an actual concern and just an exaggeration, since rich people don't starve.
Answer: to rally emotional support for a unified country
Explanation: the civil war originally started because several states wanted to secede from the union. That is the easiest way I can put it. Slavery did play a role in the war as well.