Answer:
The correct answer is 4. The union victory in the battle of Shiloh mean that they established union control over the border states.
Explanation:
Initially the word Shiloh means means in hebrew. The second round of civil war started and it was not pretty. The unions played it smart but the battle of Shiloh was considered as one of the truly terrible war the people had seen.
Due to this emerging victory the general as it was because of him this difficult times they were able to get it.