Answer: I think you have to add the word choices in order for us to answer
Explanation:
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.
B. The trenched soldiers feel victim to being stuck in their positions fruitlessly pushing back and forth
