Which problem was felt especially strongly by soldiers from border states?

According to the American Civil War, the border states were slave states that did not declare a secession of the Union and did not join the Confederation. In the north, they bordered free states of the Union and in the south they bordered with Confederate slave states. During the Civil War, which was inevitable, many problems were felt by the soldiers due to poor conditions such as, lack of food, war equipment and clothing. However, beside this problems, families all across the country were split over this issue, and the soldiers from the border states had to fight against their own family on the same battlefield.

families all across the country were split over this issue

location is the answer to this