Foreign Policy since treaty's do deal with other nations but usually after tensions or conflicts, embargo is a part of trade so for instant an embargo tax, and trade section has to deal with embargo's so the best choice is Foreign Policy.
One would be the rising greediness and not to mention demand for goods and another would be rebels were around during this time because of the Civil war starting soon.
Answer:
“The opinion was more thoroughly abominable than anything in . . . history”
Explanation: