Christianity is the correct answer :)
Deregulation of the banking industry
Deregulation allowed savings and loans to pursue riskier investments than they had before. Coupled with this is that Reagan's budget cutting measures also reduced staffing at the Federal Home Loan Bank Board, which was responsible for regulations that were in place.
The Underground Railroad was a complex network of secret routes that slaves traveled to get to freedom. Along the way, there were houses known as "safe houses". They were operated by free people, abolitionists, and Quakers. Without these people, the Umderground Railroad would habe never worked and slaves wouldn't have found freedom.
It should be D. because they blockaded the mississippi river.
Out of all of them, Switzerland would be the one that was neutral.