I think a boy, but it depends on your skills with either feminine or masculine details, also it's better than what I could do :)
Answer:
I'm pretty sure it's B, if it isn't, I'm sorry.
1)Alexander Hamilton was known for being the co-author of The Federalist Papers.
2) Also he had played a key role in the early formation of the American goverment.
3)And he was the countries first Secretary of the Treasury from 1789-1795...
Hope this helped!
-Arika <3