Answer:
They could have decreased protectionism. Protectionism means that they limited free trade between nations and restricted trade of foreign goods. Protectionism is widely accepted as maybe the biggest reason for the development of the Great Depression and thus if the US had decreased it, it most likely would not have happened at all.
Alexander Hamilton wrote the majority of the Federalist Papers.
If gender is an answer choice then it should be the correct answer.. Hope it helps
"D. It proved that black troops could fight bravely and well" is true about the 54th Massachusetts Regiment, which saw extensive action during the Civil War.
I believe the answer is A, but am not 100% sure.