I think maybe a? let me know if its right
The Federalist Party, referred to as the Pro-Administration party until the 3rd United States Congress, was the first American political party. It existed from the early 1790s to 1816.
The correct answer to your question would be D.
The Rape of Nanjing was significant because of the sheer volume of people who were massacred, because it was actually a direct act of manipulation and terrorism, these two things made also the United States more attentive towards the happening in the Pacific as it saw that the Japanese had an increased growth in influence over this region.