The Vicksburg Campaign, specifically the Siege of Vicksburg, established control of the Mississippi River.
The Union got control of the Mississippi River.
The Battle of Vicksburg(:
The Battle of Vicksburg gave the Union control of the Mississippi River.
They were fighting for control of the Mississippi.
Vicksburg
It helped the Union get control of the Mississippi river.
The Union won complete control of the Mississippi River Valley.
it gave the Union greater control of the Mississippi River valley.
The Union gained complete control of the Mississippi River.
the union won control over the Mississippi river.
The Union. Hope this helped! :)
Vicksburg