Ur answer is in fact E, The North was running out of ways to finance the war.
Answer:
Republican Party
Explanation:
The Radical Republicans (later also known as "Stalwarts") were a faction of American politicians within the Republican Party from the founding of the Republican Party in 1854 (before the American Civil War) until the end of Reconstruction in the Compromise of 1877. (from go.ogle, i didn't know how to explain it)
The issues were mostly economic because the money had lost all value and the country was in a lot of debt that was accumulated during the war.
Each party policy committee provides research and other services to senators and also serves as a forum for discussion of party legislative strategy.
I don't know if that helps at all but it's what I've got lol