Answer:
I think it is B, but it could be C. Im pretty sure it's be. i hope im right and that this helps you.
B)
This is because as a result of the Emancipation Proclamation, the Union’s goal was now to free slaves along with preserving the Union. The slaves in the Southern states began to flee North toward freedom too. Lastly, the public in Europe supported the Union, so the leaders of those countries turned against the Confederate States.
Both became militaristic, and started expanding their empires. However Japan never developed a total dictatorship like Germany did.
