Final answer:
The Union army hoped to achieve several objectives by fighting this battle in Tennessee, including gaining control of the major rivers in the west and splitting the Confederacy, restricting Confederate supply lines, and pushing Confederate forces out of Tennessee.
Step-by-step explanation:
In fighting the battle in Tennessee, the Union army hoped to achieve several objectives. Firstly, they aimed to gain control of the major rivers in the west, particularly the Mississippi, to split the Confederacy in two. By controlling the Mississippi, the Union could restrict Confederate supply lines and block their ability to move troops and resources. Additionally, the Union wanted to push Confederate forces out of Tennessee and gain control of the state.