So many people were getting killed and they were running out of resources.
By sending spies to the USSR to copy their plans for sputnik
Answer:
A.
Explanation:
And I quote, " Neither anticipated that the cause of the conflict might cease with, or even before, the conflict itself should cease. Each looked for an easier triumph, and a result less fundamental and astounding ". The war, as we know, Lincoln was opposed to. He didn't want it to happen. But he felt as if it had too, if slavery was to be domlished, but it ended up in a much longer and bloodier war then he and the south had hope for.