This greatly contested border state was now firmly under Union control, and would remain so until the end of the war.

The city would stay under Union control until the end of the war.

Union control of the Mississippi River began to tighten.

East Tennessee remained under Union control for the remainder of the war.

These areas were located near northern states and were often under Union control.

Roanoke Island remained in Union control for the rest of the war.

However, millions more were freed as more areas of the South came under Union control.

It remained in Union control for the rest of the war and became a major naval base.

Tennessee and Louisiana were returned to Union military control early in the war.

The region essentially remained under Union control for the remainder of the War.